- Sagaponack (N.Y.) -- Natural history
- Natural history + Classification -- Juvenile literature
- Natural history + Research -- Uganda
- Fowles, John, 1926-2005 -- Knowledge -- Natural history
- Natural history + Exhibitions + Design + History
- Natural history + Fieldwork -- Juvenile literature
- Natural history + Classification -- Popular works
- Natural history + Collection and preservation
- Natural history + Authorship
- Natural history + Religious aspects -- Maine -- Blue Hill
- Natural history + Research -- Pennsylvania -- Philadelphia
- Natural history + Philosophy -- Popular works
- Latin language -- Readers -- Natural history
- Natural history + Study and teaching + Activity programs -- Juvenile literature
- Natural history + Fieldwork
- Natural history + Experiments -- Juvenile literature
- Roslyn (N.Y.) -- Natural history
- Natural history + Study and teaching (Primary) + Activity programs
- Natural history + Collection and preservation -- Juvenile literature
- Natural history + Study and teaching(Early childhood)
- Natural history + Technique
- Whitman, Walt, 1819-1892 -- Knowledge -- Natural history
- Great Gull Island (N.Y.) -- Natural history
- Fire Island, New York -- Natural history
- Natural history + Study and teaching + Activity programs -- United States
- Shakespeare, William, 1564-1616 -- Knowledge -- Natural history
- Fire Island (N.Y.) -- Natural history
- Natural history + Experiments
- Southampton (N.Y. : Town) -- Natural history
- Natural history + Study and teaching (Elementary)
- Natural history + Study and teaching (Elementary) + Activity programs
- Long Island (N.Y.) -- Natural history -- Guidebooks
- Natural history + Research -- United States
- Natural history + History -- Massachusetts -- Cambridge
- Roosevelt, Theodore, 1858-1919 -- Knowledge -- Natural history
- Natural history + Religious aspects
- Natural history + Research + Philosophy
- Natural history + History -- 18th century
- Thoreau, Henry David, 1817-1862 -- Knowledge -- Natural history
- Natural history + Study and teaching
- Natural history + Study and teaching -- United States
- Natural history + Amazon River
- Natural history + Study and teaching + Activity programs
- Natural history + Philosophy
- Natural history + Description and travel
- New York (State) -- Natural history -- Guidebooks
- Natural history + Study and teaching (Preschool) + Activity programs
- Natural history + Fieldwork -- United States
- Natural history + Computer network resources -- Juvenile literature
- Natural history + Study and teaching -- Juvenile literature