- 1144
- 1145
- 1157
- 1801
- 1802
- 1803
- 1876
- 1943
- 10064
- 10380
- 10382
- 10588
- 10671
- 10876
- 10877
- 10972
- 11340
- 11480
- 11863
- 11890
- 11943
- 12074
- 12134
- 12145
- 12152
- 12157
- 12160
- 12163
- 12165
- Adler
- Africa
- agassiz
- amphibian
- arctic
- asa gray
- Audubon
- Barents Sea
- bartlett
- bees
- bolton
- Boulenger
- bourret
- britannica
- butterflies
- canada
- canadian
- ceylon
- charles darwin
- chase
- china
- chinese
- conchology
- connecticut
- Crocodilians
- darwin
- drawings
- Duellman
- entomology
- first edition
- fish
- flora britannica
- folio
- Forshaw
- Fuertes
- gardener
- gardening
- Gilbert white
- godman
- gouan
- Grew
- hale
- hudson
- hummingbirds
- huxley
- island life
- jardine
- Lansdowne
- legge
- lepidoptera
- lesson
- michaux
- minnesota
- mountain
- myers
- natural
- natural history 1898
- newman
- perry
- reptiles
- rochester
- sclater
- sea-weeds
- snakes
- test
- thoreau
- tortoises
- turtles
- vipers
- walden
- wallace

