Subjects: history
- Natural history -- Amazon River Valley
- Natural history -- America
- Natural history -- Arctic regions
- Natural history -- Argentina -- Pampas
- Natural history -- Arizona -- Saguaro National Park
- Natural history -- Australia
- Natural history -- Australia -- Central Australia
- Natural history -- Australia -- Dunk Island (Qld.)
- Natural history -- Australia -- New South Wales
- Natural history -- Australia -- Queensland
- Natural history -- Australia -- Western Australia
- Natural history -- Borneo
- Natural history -- Brazil
- Natural history -- British Columbia
- Natural history -- California
- Natural history -- Canada
- Natural history -- China -- Yunnan Sheng
- Natural history -- Colorado
- Natural history -- Colorado -- Rocky Mountain National Park
- Natural history -- Cuba
- Natural history -- Death Valley National Park (Calif. and Nev.) -- Guidebooks
- Natural history -- Dominica
- Natural history -- Egypt
- Natural history -- England
- Natural history -- England -- Birmingham
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