- Trees -- Identification -- Juvenile literature
- Freshwater fishes -- Virginia -- Identification
- Poisonous plants -- United States -- Identification
- Dead -- Identification -- Fiction
- Moths -- Canada, Eastern -- Identification
- Birds -- Identification -- Encyclopedias
- Authorship + Study and teaching -- Identification -- Juvenile literature
- Birds -- Middle East -- Identification
- Animal droppings -- Middle Atlantic States -- Identification
- Medicinal plants -- United States -- Identification
- Birds -- Europe, Northern -- Identification
- Birds -- Cuba -- Identification
- Whales -- Mexico -- Identification
- Fingerprints -- Identification
- Whales -- United States -- Identification
- Animal droppings -- Canada, Eastern -- Identification
- Moths -- North America -- Identification
- Bees -- United States -- Identification
- Animals -- Wyoming -- Grand Teton National Park -- Identification
- Succulent plants -- Identification
- Birds -- Horn of Africa -- Identification
- Woodpeckers -- Identification -- Pictorial works
- Whales -- Canada -- Identification
- Birds -- Great Britain -- Identification
- Woodpeckers -- Identification
- Animals -- Identification -- Pictorial works -- Juvenile literature
- Forest plants -- Southern States -- Identification
- Wild flowers -- Virginia -- Shenandoah National Park -- Identification
- Soldiers -- United States -- Identification -- Handbooks, manuals, etc
- Birds -- Northwest, Pacific -- Identification
- Moths -- United States -- Identification
- Birds -- Middle Atlantic States -- Identification
- Dead -- Identification -- Handbooks, manuals, etc
- Sea birds -- Identification
- Moths -- East (U.S.) -- Identification
- Tracking and trailing -- Middle Atlantic States -- Identification
- Monsters -- Identification
- Marine mammals -- Identification
- Beetles -- Identification
- Horse breeds -- Identification
- Edible mushrooms -- Great Britain -- Identification
- Moths -- Northeastern States -- Identification
- Psilocybe -- Identification
- Sharks -- Florida -- Identification
- Birds -- Florida -- Identification
- Trees -- Canada, Eastern -- Identification
- Animal tracks -- Identification
- Birds -- New Guinea -- Identification
- Waterfowl -- Canada, Eastern -- Identification
- Plants -- Blue Ridge Parkway (N.C. and Va.) -- Identification