Peterson Field Guides: Western Birds, Mammals of North America, Pacific Coast Fishes, Freshwater Fishes, Mexican Birds, Eastern Birds, Hummingbirds of North AmericaAutorenkollektivAusverkauftBewachen
National Audubon society field guide: North American Butterflies, North American Insects & Spiders, North American Birds (Western Region), North American Birds (Eastern Region), North American Mammals, African Wildlife, North American Reptiles & AmphibiansAutorenkollektivAusverkauftBewachen
National Audubon Society Field Guide to North American : Seashore Creatures; Fishes, Whales & Dolphins; Seashells; Tropical Marine FishesAutorenkollektivAusverkauftBewachen
Checklist of the Trematodes (Digenea) of Birds of the Czech and Slovak RepublicsJiljí SitkoAusverkauftBewachen
