Subject Count
Natural history -- Philippines -- Palawan 1
Natural history -- Philippines -- Sulu Archipelago 2
Natural history -- Philippines -- Visayan Islands 1
Natural history -- Philosophy 33
Natural history -- Philosophy -- Popular works 1
Natural History -- Pictorial Works 1
Natural history -- Pictorial works 32
Natural history -- Pictorial works -- Early works to 1800 8
Natural history -- Pictorial works -- Exhibitions 2
Natural history -- Pictorial works -- History 1
Natural history -- Pictorial works -- Juvenile literature 1
Natural history -- Pictorial works -- Pre-Linnean works 1
Natural history -- Piedmont Region -- Guidebooks 1
Natural history -- Piedmont (U.S. : Region) -- Guidebooks 1
Natural History -- Poetry 1
Natural history -- Poetry 4
Natural history -- Poland 6
Natural history -- Poland -- Beshchady Mountains 1
Natural history -- Poland -- Bibliography 1
Natural history -- Poland -- History 1
Natural history -- Poland -- Opole (Voivodeship) 1
Natural history -- Poland -- Periodicals 2
Natural history -- Poland -- Pictorial works 1
Natural history -- Poland -- Societies, etc 1
Natural history -- Poland -- Toruń (Vojvodeship) 1
Natural history -- Poland -- Warta River 1
Natural history -- Polar regions 5
Natural history -- Polar regions -- Congresses 2
Natural history -- Political aspects -- Latin America 2
Natural history -- Polynesia 10
Natural history -- Polynesia -- Periodicals 1
Natural history -- Popular works 14
Natural history -- Portugal -- History 2
Natural history -- Powder River Basin (Wyo. and Mont.) -- Bibliography 1
Natural history -- Prairie Provinces 2
Natural history -- Pre-Linnaen works 1
Natural history -- Pre-Linnean works 480
Natural history -- Pre-Linnean works -- Bibliography 3
Natural history -- Pre-Linnean works -- Bibliography -- Catalogs 1
Natural history -- Pre-Linnean works -- Congresses 1
Natural history -- Pre-Linnean works -- Early works to 1800 34
Natural history -- Pre-Linnean works -- Terminology 1
Natural history -- Prince Edward Island 4
Natural History -- Puerto Rico 1
Natural history -- Puerto Rico -- Baño de Oro Natural Area 1
Natural history -- Puerto Rico -- Congresses 1
Natural history -- Puerto Rico -- Research -- History 1
Natural history -- Puerto Rico -- Reserva de Las Cabezas de San Juan 1
Natural history -- Puerto Rico -- Reserva de Las Cabezas de San Juan -- Pictorial works 1
Natural history -- Pyrenees 2
Natural history -- Pyrenees (France and Spain) 1
Natural history -- Québec -- Anticosti Island 1
Natural history -- Québec (Province) 5
Natural history -- Québec (Province) -- Early works to 1800 1
Natural history -- Québec (Province) -- Forillon National Park -- Guidebooks 1
Natural history -- Québec (Province) -- Nord-du-Québec 2
Natural history -- Queen Elizabeth Islands (Nunavut and N.W.T.) 1
Natural history -- Quotations, maxims, etc 1
Natural history -- Rainy Lake Region (Minn. and Ont.) 1
Natural history -- Red River (Tex.-La.) 1