- Wild flowers -- East (U.S.) -- Identification
- Birds + Nests -- United States -- Identification
- Adoptees -- Identification -- Fiction
- Birds -- Vermont -- Identification
- Forest animals -- United States -- Identification
- Forest plants -- United States -- Identification
- Fossils -- Identification
- Birds -- Massachusetts -- Identification
- Water birds -- Identification -- Juvenile literature
- Trees -- North America -- Identification
- Traffic accident victims -- United States -- Identification -- Case studies
- Birds of prey -- North America -- Identification
- Drugs -- Identification -- Pictorial works
- Trees -- Canada, Eastern -- Identification
- Wild plants, Edible -- United States -- Identification
- Urban animals -- Identification
- Shrubs -- United States -- Identification
- Trees -- Canada, Western -- Identification
- Minerals -- North America -- Identification
- Wild flowers -- Northeastern States -- Identification -- Juvenile literature
- Medicinal plants -- Middle West -- Identification
- Birds -- New England -- Identification
- Pythons -- Identification
- Birthparents -- United States -- Identification -- Handbooks, manuals, etc
- Birthparents -- India -- Identification -- Drama
- Wild flowers -- United States -- Identification
- Garden pests -- Identification
- Wild flowers -- United States -- Identification -- Juvenile literature
- Birds -- Canada, Eastern -- Identification
- Mushrooms -- Identification
- Marine animals -- Atlantic Coast (North America) -- Identification
- Succulent plants -- Identification
- Dog breeds -- Identification
- Wild plants, Edible -- Canada, Eastern -- Identification
- Dead -- Identification
- Child molesters -- Identification
- Trees -- West (U.S.) -- Identification
- Intelligence officers -- United States -- Identification
- Fingerprints -- Identification -- Juvenile literature
- Ferns -- North America -- Identification
- Birds -- Canada, Northern -- Identification -- Juvenile literature
- Plants -- Africa, Southern -- Identification
- Birds -- New Hampshire -- Identification
- Birthmothers -- Identification -- Fiction
- Birds -- North America -- Identification
- Caterpillars -- North America -- Identification
- Berries -- Canada -- Identification
- Moths -- Identification
- Medicinal plants -- East (U.S.) -- Identification
- Weeds -- Identification