Expressions of Colors
R 0.623
What and "Not"
R 0.805
Whales
R 1.313
See Well by Feeling
R 1.818
Aesop
R 1.933
A Wedding Dress
R 1.987
Linda's Promise
R 2.008
A Warning
R 2.066
Fortune and the Beggar
R 2.07
The Invention of Lightning Rod
R 2.238
A Human Mistake
R 2.281
Understand Your Words
R 2.344
Soap and Water
R 2.363
Return to My Hometown
R 2.415
Edgar's Photo
R 2.453
Oceans
R 2.592
My Mother's Beauty
R 2.644
TV Ads
R 2.645
Prince and Princess
R 2.651
Frogs
R 2.657
The Largest Library in the World
R 2.664
Blue Jeans
R 2.694
Two Thieves
R 2.729
The European Cuckoo
R 2.756
The Quiet Country Cottage
R 2.79
Annual Rings
R 2.805
Flying
R 2.843
Static Electricity
R 2.849
Edith and Denis
R 2.849
Food for Thought
R 2.854
Pelé
R 2.883
Henry, Laura and Bill
R 2.893
Who's There?
R 2.898
Mirrors
R 2.933
Pumpkins
R 3.087
John Russell
R 3.172
My Teaching Experience
R 3.175
My Childhood
R 3.197
Signs on the Roads
R 3.212
Balance of Nature
R 3.225
Pyramids
R 3.229
Wild Animals
R 3.251
Finders or Keepers?
R 3.296
A Visit to Italy
R 3.326
Apollonia
R 3.334
The Answer of Jason
R 3.345
Jogging
R 3.369
Seeing Things
R 3.426
Change of Roles
R 3.439
Unusual but Legal
R 3.491
George and Charlie
R 3.498
Angel Falls
R 3.56
Jack London
R 3.564
Great Inventions
R 3.587
Basketball
R 3.589
Mr. and Mrs. Lester
R 3.595
An April Fool's Story
R 3.597
FBI
R 3.613
Problem Page
R 3.657
Evidence
R 3.718
The illness of Mrs. Brown
R 3.747
Film and Stage Play
R 3.748
For Rent
R 3.789
One-Way-Street
R 3.793
A Self-introduction
R 3.802
Robots
R 3.862
Diary of an Adoptive Mother
R 3.885
Was the Dog Clever?
R 3.938
Drugs
R 3.946
Assertiveness Training
R 3.949
Sunrise or Sunset
R 4.005
The World's Water Problem
R 4.005
Traffic in Tokyo
R 4.019
The Doctor's Story
R 4.026
Saving Paper
R 4.027
A Tidal Wave
R 4.035
A Free Trip
R 4.053
A Miraculous Jump
R 4.073
Stamps
R 4.081
An Intelligent Dog
R 4.129
Guinness Book of World Records
R 4.131
Tea
R 4.143
Women's Contribution
R 4.148
GM Foods
R 4.174
Rats
R 4.184
The Chance for a New Life
R 4.197
A Free Haircut
R 4.218
Unlucky in Love
R 4.253
Travelers
R 4.295
Olympic Games
R 4.302
Various Names of England
R 4.31
So Much to Learn
R 4.314
A Survivor's Story
R 4.333
About Human Beings' Eating
R 4.334
The Weaker Sex
R 4.385
Word Coining
R 4.386
Halloween
R 4.393
The Sea War Between Britain and Germany
R 4.509
The Weather Forecasting
R 4.516
How Long
R 4.521
Valentine's Day
R 4.565
The Danger of Air Traveling
R 4.578
The Farms That Blew Away
R 4.641
An Old Couple
R 4.644
Parental Responsibility in the Teaching
R 4.648
Tips
R 4.704
Marathon of Hope
R 4.723
Birthday Present
R 4.752
A Satisfactory Solution
R 4.757
Potato and Tobacco
R 4.777
Oil and Water
R 4.793
A Broken Message
R 4.83
The Development of Money
R 4.849
Odds and Ends
R 4.856
Greenwich
R 4.859
Tom's Trip
R 4.873
Honeymoon
R 4.876
Jonathan Rivers
R 4.882
Sightseeing in Kunming
R 4.889
A Letter of Complaint
R 4.912
The Prolonged Life
R 4.917
Things Brought to Heaven
R 4.924
Man's Best Friend
R 4.924
The Story of an Air-crash Survivor
R 4.942
A Journey
R 4.96
A Travel Experience
R 4.962
Charlie Chaplin
R 4.963
How to Fight Fears
R 4.964
Beggars
R 4.987
How to Advertise for a Bank
R 4.988
London -- Paris
R 5.003
A Small Person
R 5.005
Expressions and Identities
R 5.022
Adventure Vacations
R 5.041
Keeping up with the Joneses
R 5.046
Education of an Aged Woman
R 5.072
Steps to the Future
R 5.08
Joan's Luck at Hospital
R 5.082
Penicillin
R 5.092
Future Man
R 5.105
Amy Johnson
R 5.113
Men and Women Shoppers
R 5.124
I Can Drive at My Eighties
R 5.137
Reward
R 5.14
Life and English
R 5.164
Color
R 5.166
An Advertisement
R 5.206
From Amateur to Artist
R 5.206
Copying the Picture
R 5.232
A Nation on Wheels
R 5.254
Tragedy or Blessing
R 5.262
Alice Walker
R 5.283
Wind Power
R 5.293
A Well-balanced Life
R 5.296
Birds' Flight
R 5.306
Karaoke
R 5.319
Stars in the Sky
R 5.323
Scottish National Clothing for Men
R 5.331
Jazz
R 5.355
An Adjustment to Price
R 5.372
CATV
R 5.385
TV
R 5.404
Rain
R 5.431
Tree Rings Record History
R 5.433
Nose
R 5.466
A Doctor's Advice
R 5.47
Bright Ideas
R 5.48
A Wooden Bowl
R 5.482
Judge by Appearance
R 5.499
Making Purchases Intelligently
R 5.516
Stradivari's Violins
R 5.552
A Daily Energy Cycle
R 5.581
A Climbing Expedition
R 5.583
Leaving Tips
R 5.592
My Father
R 5.595
The Market
R 5.597
Protecting Your Money
R 5.601
Thank You
R 5.652
The Blind Girl
R 5.656
What's good to Eat and Drink
R 5.681
What Are Good Manners?
R 5.688
How to Be a Good Reader
R 5.691
Sold Out!
R 5.693
The High Cost of Living
R 5.702
US7 and Its Uses
R 5.703
Speed Changes the World
R 5.74
Mr. Weston
R 5.746
Acid Rain
R 5.749
Umbrellas
R 5.751
Job Interview
R 5.775
Ticket, Please
R 5.84
Colors and Meanings
R 5.845
Books-on-tape
R 5.845
Exchange of Letters
R 5.852
The American Way: Freedom
R 5.869
David Jones and His Salary
R 5.88
Written Language
R 5.891
How to Shop Food Wisely
R 5.891
Me-Books
R 5.893
Great Britain
R 5.895
American Cities
R 5.896
Population
R 5.9
Early Development of Memory
R 5.915
Ways of Spending Holiday
R 5.925
The New World
R 5.928
Caution with Concrete
R 5.952
Plants Have Feelings
R 5.953
Dreams
R 5.96
Heroes of Today
R 5.96
How to Choose a Career
R 5.989
Manners and Customs
R 5.994
On the Stock Exchange
R 6.02
The Chip Masters
R 6.023
Bungee Jumping
R 6.035
How a Refrigerator Works
R 6.062
Barbie Dolls
R 6.091
Life in the Future
R 6.092
The Dreams of Flying
R 6.093
Philosophers
R 6.107
Test Anxiety
R 6.121
A Special Day for British Girls
R 6.128
Snoring
R 6.129
Employment
R 6.13
Heroes
R 6.133
Punctual Like Clock
R 6.155
Two Jobs
R 6.184
Cows
R 6.188
Tornado
R 6.198
Ozone
R 6.218
Advertisements
R 6.227
Speech Delivery
R 6.24
Sport
R 6.244
Money and Friendship
R 6.261
Supermarkets
R 6.263
Intelligence Didn't Work
R 6.266
Rats Thrive
R 6.284
The Train Journey
R 6.29
Disney and His Cartoon World
R 6.292
Animals and Earthquakes
R 6.293
Beware of Pickpockets!
R 6.305
Crimes
R 6.317
Women at Work
R 6.331
What Follows Divorce
R 6.35
Where's the Beef
R 6.355
A Ringmaster
R 6.355
A Stitch in Time Saves Nine
R 6.367
Why Do They Do Better?
R 6.367
Stress
R 6.374
Stress in Life
R 6.389
The Effects of Old Age on Health
R 6.399
Pay for Your College
R 6.421
Fire and Water
R 6.432
Helping the Insane
R 6.457
Father's Day
R 6.491
Attention to Details
R 6.494
Maintaining Body Health
R 6.496
Living on My Own
R 6.497
How People get Their Names
R 6.504
Parents and Children
R 6.508
Coins of Any Special Dates?
R 6.51
Albert Einstein
R 6.51
Small Cars and Large Cars
R 6.563
Safety Tips for Kids on the Internet
R 6.566
A Package Is an Advertisement
R 6.585
Dining Custom in USA
R 6.593
The Receipt
R 6.604
Home, Sweet Home
R 6.618
Hunger
R 6.621
Experiment on Chimpanzees
R 6.63
Sleep
R 6.633
The Way Children Learn
R 6.637
Feast on Turkey and Good Wishes at Thanksgiving
R 6.649
Fallacies about Food
R 6.654
The Importance of Breakfast
R 6.692
A Life for a Life
R 6.692
Umbrella
R 6.701
Time Problem
R 6.706
Clouds
R 6.711
Dilemma of Working Women
R 6.738
Shakespeare
R 6.759
The American Character
R 6.78
Building Substantial Wealth
R 6.805
Quit Smoking
R 6.807
The Role of Sport
R 6.817
The Powerful Influence of Weather
R 6.824
Time and Energy
R 6.839
Apologizing Art
R 6.841
Dreams
R 6.871
The Pain of Ending a Relationship
R 6.877
Culture and Physical Appearance
R 6.88
Foreign Students in the U.S. and Canada
R 6.884
Family Dog
R 6.885
You're on V-Mail
R 6.893
Dog Food
R 6.9
An Analysis Before Iraq War
R 6.907
Plants and Insects
R 6.91
Guilty or Not
R 6.929
Gestures
R 6.932
Psychology
R 6.934
Language
R 6.937
Adult Education in the U.S.
R 6.948
Interview Skills
R 6.951
London Taxi Drivers
R 6.952
The Curse on TV
R 6.972
Olympic Sponsors
R 6.983
Animal Experiments
R 7.013
Wearing a Seat Belt
R 7.019
Stammer
R 7.034
Mr. Flowers
R 7.045
A New Way to Get Fresh Water
R 7.054
A Visit to Oxford
R 7.056
Napoleon's Waterloo
R 7.063
Hand Puppets
R 7.071
The Value of Defeat
R 7.091
Euthanasia
R 7.1
The Living Statues in Barcelona
R 7.111
Bob and Annie
R 7.123
Now to Negotiate for Salary
R 7.134
Tea in Britain
R 7.143
Northern and Southern Polar Regions
R 7.152
The First Questions in College
R 7.162
Sanders
R 7.168
Eye Contact
R 7.184
Writing Reports on Psychological Research
R 7.19
A New Way to Keep Food Fresh
R 7.193
Hunting and Sporting Activities
R 7.224
Children and Smoking
R 7.227
Mars Exploration
R 7.245
G and PG Movies
R 7.26
Throw Your Pills Away -- No Hesitation
R 7.274
First Subway
R 7.278
Bright or Not-So-Bright
R 7.309
Smart Design
R 7.316
Doing Favors Can Be Dangerous
R 7.325
Stress
R 7.328
The Effect of Noise Pollution
R 7.338
Daydreaming
R 7.356
Getting Help from Others
R 7.362
How to Describe People
R 7.369
The Origins of Basketball
R 7.371
Nuclear Radiation
R 7.376
Loan
R 7.38
Air Pollution
R 7.394
English Vocabulary
R 7.482
Our Changing Diet
R 7.493
Young People
R 7.493
A Passport to Bright Future
R 7.497
Way to Express Your Individuality
R 7.507
Survival in Desert
R 7.508
The British Climate
R 7.53
Memory
R 7.544
The Missing Wallet
R 7.545
Printing Press
R 7.545
Insurance
R 7.563
The Search for a Vaccine Against Malaria
R 7.571
The Discovery of "Asian" Flu
R 7.577
The Science Museum
R 7.584
The Mars
R 7.593
Culture Shock
R 7.599
American Families
R 7.6
Application Letter
R 7.608
Grandma Moses
R 7.612
Ant Society
R 7.616
The Common Cold
R 7.62
Let the Children Read
R 7.622
Gallup Extreme Magic
R 7.624
Women's Well-Being
R 7.635
A Type of Wild Vegetation
R 7.644
A Born Naturalist
R 7.649
Stokoe and Sign Language
R 7.651
On Being Punctual
R 7.658
Are Rich Children Happy?
R 7.665
Old Age
R 7.672
Help Your Kids Cope with Anxiety
R 7.672
Where to Live
R 7.675
New Eating Trend
R 7.675
Barter
R 7.683
Advertising
R 7.688
How Did the Handshake Come into Being?
R 7.697
Other Senses
R 7.703
The History of Rail Shipping
R 7.713
A Special Christmas
R 7.713
Narcolepsy
R 7.717
How to Seek and Save Employees
R 7.724
Never too Late to Learn
R 7.727
Believe Evidence or Not
R 7.731
April Fool's Day
R 7.736
How McDonald's Became a Billion-dollar Business
R 7.774
Sea Anemone
R 7.783
Advertisement
R 7.788
Rock Music
R 7.817
Vocabulary Building
R 7.826
Handling Office Calls
R 7.835
The International Red Cross
R 7.854
Children's Intelligence
R 7.855
Laptop Computer
R 7.856
Showing affection to Your Child
R 7.861
Libraries
R 7.861
The Advantages of Television
R 7.863
Old Love, Old Tunes
R 7.886
Cheating
R 7.893
Bits
R 7.916
Braille
R 7.95
Time Crunch on Children
R 7.952
The Attraction of a Bookshop
R 7.964
How to Train Your Dogs?
R 7.978
True Happiness
R 7.981
The Development of Medical Operations
R 7.987
Treasure Hunts
R 7.988
Chaplin and the Toy-makers
R 8.008
The Study of Liberal Arts
R 8.047
The Conservative Party vs. the Labour Party
R 8.053
Television in the Future
R 8.076
Growing Odd
R 8.109
Acupuncture
R 8.121
Don't Let Them Close Your School
R 8.124
Challenging Medical Treatment
R 8.134
Animal Agriculture
R 8.139
Thanksgiving Day
R 8.141
Taboo
R 8.164
The Do It Homestead
R 8.176
The First North American Inhabitants
R 8.183
Human Talk
R 8.187
Flu and Cold
R 8.205
Access to the Internet
R 8.209
Adaptation
R 8.216
The Selection of English Teachers
R 8.227
The Power of Voice
R 8.232
Tourism
R 8.24
Social Factors and Music Prodigies
R 8.25
Erosion
R 8.254
Musical Instruments
R 8.264
Effects of Global Warming
R 8.271
Field Event
R 8.273
Health
R 8.279
Open-sea Areas
R 8.282
Earthquake
R 8.294
Earthquake Prediction
R 8.32
The Symbolic Process
R 8.334
Britain's Food Production
R 8.338
Tourism
R 8.354
Living with Children
R 8.362
A Revised Schedule
R 8.363
The Finger of Suspicion
R 8.363
What Makes a Teacher
R 8.371
The Oil Price Change Analysis
R 8.376
Intelligence
R 8.383
Reading
R 8.386
Tea
R 8.395
Women and Clothes
R 8.395
Who Are Susceptible to Colds?
R 8.397
Modern Libraries
R 8.407
Thomas Jefferson
R 8.42
Media Impact
R 8.456
Productivity
R 8.457
Equality of Opportunity and Competition
R 8.459
The Baby Boom Generation
R 8.509
The Old and the New Rich
R 8.524
Nobel Prize
R 8.534
Hawaii
R 8.537
Trees
R 8.544
Examinations
R 8.557
How to Make Friends
R 8.561
Hair Care
R 8.586
Education in the U.S.
R 8.591
Organ Transplant
R 8.596
How to Protect Tigers
R 8.597
Birds and Planes
R 8.61
Arranged Marriages in India
R 8.618
Real Beauty
R 8.637
The Theory of Losing Weight
R 8.638
Noise and Health
R 8.661
Examination
R 8.664
Phone
R 8.671
Crime Rates
R 8.675
Learning by Doing
R 8.679
Getting into College
R 8.684
The Golden Mean (PHI)
R 8.686
American Indians
R 8.721
Study of Some Top Referees
R 8.726
Liquid and Gas
R 8.735
Communicating in the New Age
R 8.754
Flextime
R 8.758
Proteins in a Balanced Diet
R 8.76
Many Divisions of Physics
R 8.769
Top Earning Wives and Their Marriages
R 8.77
An Internet Worker
R 8.776
Education in America and in China
R 8.786
Getting an Education
R 8.787
Preserving Food
R 8.792
An Olympic Volunteer
R 8.805
Fashion
R 8.806
Bonsai
R 8.809
Long and Short Sleepers
R 8.824
Is the Octopus a Human Killer?
R 8.833
Office Politics
R 8.852
Modern Examinations
R 8.858
How to Improve Your English
R 8.866
Holidays and Vacation
R 8.867
School Phobia
R 8.873
Diana in Angola
R 8.887
Turkey -- The Symbol of America?
R 8.915
Population and Food
R 8.944
Social Status
R 8.945
Danger: Children at Work
R 8.959
Treatment of Bedtime Tantrums
R 8.96
The Effects of Massage
R 8.965
Art of Conversation
R 8.967
Lacrosse
R 8.969
Plankton -- A New Resource of Food
R 8.984
Manners on the Road
R 8.999
Memories of School Years
R 9.001
The Crime of the Month
R 9.024
Will It Matter If I Skip Breakfast?
R 9.037
Beijingers Speaking English
R 9.038
Newspaper in the Future
R 9.04
An Important Railroad
R 9.05
Psychology and Consumer
R 9.055
Toys
R 9.057
Guns in School
R 9.067
The Role of Examinations
R 9.091
The Trumpet
R 9.101
What a Soldier
R 9.112
Education -- Global Enterprise
R 9.119
Memory
R 9.127
The Driver
R 9.131
The Change of British Industry
R 9.138
Accountability
R 9.142
Greenpeace
R 9.175
Two kinds of Advertising
R 9.176
American Dollars
R 9.179
The Internet's New Application
R 9.196
Should Women Return to Their Kitchens?
R 9.201
Computer
R 9.21
The Development of Information Carrier
R 9.211
Shanghai's Popular Air Touring
R 9.24
Are Camels Obedient Beasts of Burden?
R 9.244
Intelligence and Environment
R 9.247
Language and Brain Development
R 9.257
New Life for the Handicapped
R 9.267
Influences of Fairy Stones on Children
R 9.285
How to Make Better Use of Humor
R 9.293
Continental Drift
R 9.294
The Private Ownership of Hydrogen Bombs
R 9.298
Jacqueline Kennedy
R 9.304
A Refused Letter
R 9.308
Thinking and Feeling
R 9.331
Objects in Space
R 9.342
Science
R 9.385
Science Fiction
R 9.392
From the Other Side of the Generation Gap
R 9.399
Spare Your Rod, Spoil the Child
R 9.411
The Function of Muscles in Mental Acts
R 9.413
The Threat of AIDS
R 9.443
The Industrial Revolution
R 9.461
Aptitude
R 9.478
Know the Ropes
R 9.483
Honeybee's Life in a Colony
R 9.539
Henry Ford
R 9.543
Breakfast
R 9.545
What Attracts One to Another
R 9.548
Split Up
R 9.564
The Garden Hotel
R 9.566
Synonyms
R 9.572
The Varieties of American Newspapers
R 9.604
The Beginning of Film Industry
R 9.628
Movies
R 9.671
Wood or Brick
R 9.691
Lecture Method
R 9.693
The Fridge
R 9.699
Lifetime Employment
R 9.712
Making Friends at School
R 9.752
How Intelligence Develops
R 9.757
Halloween
R 9.777
Growing Older
R 9.79
Are Moral Standards Declining?
R 9.794
Virus Blockers
R 9.795
Television
R 9.8
Deception
R 9.833
Culture Differences
R 9.894
World Population
R 9.928
Adaptation of Living Things
R 9.939
The Antler Riddle
R 9.986
How to Grow Old?
R 9.998
Influence on Children's Personality
R 10.003
Energy
R 10.008
Stock Market
R 10.011
The First Subway
R 10.017
The First Labor Day
R 10.019
The Basic Economic Systems
R 10.041
Public Schools
R 10.121
Shakespeare's Works?
R 10.126
Types of Personality
R 10.126
Teachers and Pupils' Attitudes
R 10.153
Intelligence
R 10.176
After Great Fire
R 10.2
How to Stay Young
R 10.208
The Meaning of Money
R 10.237
Poverty
R 10.26
Safeguard It
R 10.278
Viruses
R 10.341
Computer and Man
R 10.386
On Intelligent People
R 10.392
Ballet Training
R 10.394
America's Influence on Chinese Culture
R 10.395
Stay Mentally Active
R 10.401
Long Term Memory
R 10.421
Falling off the Platform
R 10.454
Preparations for Job Interviews
R 10.469
Water Pollution Problems
R 10.48
An Excellent Nursing System
R 10.513
Noise
R 10.557
Beauty
R 10.57
Modern Production
R 10.572
Liberia
R 10.591
New Life of Clinton
R 10.592
Icebergs and Fresh Water
R 10.596
Courses in University
R 10.608
Sex Prejudice
R 10.634
A New Transformation of Hospitals
R 10.65
Computer Crimes
R 10.657
Women in Britain
R 10.715
Stereotypes
R 10.726
Appropriate Technology
R 10.726
Memory System
R 10.734
The Host City of the Olympics
R 10.751
Individual, Group and Crowd
R 10.771
Can Clothes Reveal Ourselves?
R 10.777
Norwegian Government
R 10.793
Water in a Growing Plant
R 10.796
Underground Water
R 10.836
Laughter Works
R 10.845
A New Medical Instrument
R 10.87
How to Do Exercise
R 10.872
Teachers and Actors
R 10.896
The Sense of Well Being
R 10.929
Employees
R 10.969
Botany
R 11.026
English Words
R 11.03
Education and Employment in the U.S.
R 11.073
Life in the Universe
R 11.084
Useless Generosity
R 11.137
Tears
R 11.146
The Solution to the Problems in INS
R 11.154
The Art of Sand Paintings
R 11.175
The Development of Artificial Intelligence
R 11.176
Elite Pool
R 11.19
Teachers and Teaching
R 11.266
Pay Structure
R 11.281
High-Tech Communications
R 11.326
American Universities
R 11.354
Violence in American Families
R 11.389
Stereotypes
R 11.422
Different Countries
R 11.452
Child Labor
R 11.516
Overcoming Difficulties in Study
R 11.636
Significant Economic Issue -- Inflation
R 11.667
Teaching and Research
R 11.815
A Fundamental Human Urge
R 11.824
Eyes -- Windows of the Soul
R 11.852
Examinations
R 11.945
Disneyland
R 11.963
Knowledge and Experience
R 12
Accidents and Human Behavior
R 12.065
What Low Pay Results in
R 12.148
A Woman Writer
R 12.149
Education in America
R 12.18
British Free Education Is at Risk
R 12.192
English Idioms and Common Expressions
R 12.229
Libraries in Metropolitan Areas
R 12.309
Health-Related Behaviors
R 12.378
Patent
R 12.401
Scientific Explanation
R 12.427
Glass
R 12.446
Problems of Population
R 12.533
Global Climate Will Keep Changing
R 12.55
Competition in America
R 12.573
Hi-tech in Developing Countries
R 12.583
Credit Terms in Transactions
R 12.604
Language and Culture
R 12.609
Music-Culture
R 12.644
Sunlight
R 12.679
Tips on Public Speaking
R 12.692
The History of Emigration from Ireland
R 12.75
Trade and Language
R 12.766
Parental Influence in Education
R 12.776
Neanderthals
R 12.81
Reading
R 12.832
Population Density
R 12.93
Vitamin C and Cancer
R 12.932
The Effect of Air Pollution
R 13.076
Medical Journals
R 13.331
Dialect and Language
R 13.418
Hotels
R 13.456
Adolescence
R 13.477
Police
R 13.687
Worrying Trend of Reading Ability
R 13.784
Three English Dictionaries
R 14.014
Standard English
R 14.243
Tobacco Industry
R 14.294
Panic Attacks
R 14.47
The Age of the Internet
R 14.67
What Is Nourishing to Eat?
R 14.708
Opportunities and Concentration
R 15.813
The Computer and the Law
R 15.919
Culture Activities
R 15.928
Hard Science and "Soft" Science
R 15.994
Environment
R 15.997
The Meanings of Residential Mobility
R 16.274
A Solution to Energy Needs
R 17.14