Subject
Veterinarians
12
Conservationists
9
Landscape architects
7
African Americans Civil rights History
5
Judges
5
History
4
Landscape architecture
4
Officials and employees
4
African Americans
3
Dogs
3
Game wardens
3
Mushers
3
African American agriculturists
2
Agriculture
2
Agriculturists
2
Beekeepers
2
Coast defenses History
2
Dewey (Cat)
2
Farm life
2
Farmers
2
Horses
2
Hunting
2
Landscape architecture History
2
Landscape design
2
Library cats
2
Organic farmers
2
Organic farming
2
Plant collectors
2
Politicians
2
Presidents
2
Race horses
2
Ranchers
2
Sled dogs
2
Statesmen
2
Submarine mines History
2
Sustainable agriculture
2
West (U.S.)
2
Whaling History
2
Women
2
Women conservationists
2
Women mushers
2
Zoo animals Diseases
2
Advertising characters
1
African American farmers
1
African American whalers
1
Animal housing
1
Animal scientists
1
Animal specialists
1
Animal welfare
1
Antarctica Discovery and exploration
1
more ...