Subject
- ADC (Animal Damage Control Program (U.S.))1
- Abortion--Law and legislation--United States1
- Abscam Bribery Scandal, 19801
- Acid rain3
- Acorns1
- Activism, Citizen1
- Adirondack Mountains (N.Y.)4
- Adirondack Park (NY)--Toxic waste disposal1
- Adoption -- Russia (Federation)1
- Adventure fiction1
- Advertising, Direct-mail--Environmental aspects--United States2
- Advertising, Newspaper3
- Aeration of soil1
- Aerial photography1
- Agricultural chemicals--Health aspects1
- Agricultural pests--New York (State)1
- Agriculture1
- Agriculture--Connecticut.1
- Agriculture--Taxation1
- Air Pollution2
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