Subject
Botany
21
History
14
Plants
6
Flowers
5
Gardens
5
Plants, Ornamental
4
Wild flowers
4
Botanical illustration
3
Gardening
3
Horticulture
3
Plant introduction
3
Potatoes
3
Trees
3
Botanists
2
Catalogs and collections
2
Discovery and exploration
2
Diseases and pests
2
Gardeners
2
Nurseries (Horticulture)
2
Plant collectors
2
Plants, Cultivated
2
Shrubs
2
Archives
1
Biography
1
Botanical artists
1
Botany, Economic
1
Carnivorous plants
1
Clover
1
Diaries
1
Diaries (Blank-books)
1
Dictionaries
1
Early works
1
Early works to 1800
1
Employees
1
Famines
1
Folklore
1
Glass construction
1
Herbals
1
Horticultural literature
1
Irish
1
Landscape architecture
1
Late blight of potato
1
Materia medica, Vegetable
1
Natural history
1
Orchid culture
1
Orchids
1
Physicians
1
Popular culture
1
Quaker naturalists
1
Quaker physicians
1
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