Género
Conservación y protección ambiental
Mümmelmann: Ein Tierbuch
Löns, Hermann
Natural Man
Moss, Arthur B.
Thoughts on the Proposed Inclosure of Waltham (commonly called Epping) and Hainault Forests
Street, Thomas
Under Blue Skies: Verses & Pictures
Brigham, Sarah Jeannette Lathbury
Beaver: An Alphabet of Typical Specimens
Kettelwell, John
The Heart of the Wild: Nature Studies from Near and Far
Bensusan, S. L.
Mooswa & Others of the Boundaries
Fraser, William Alexander
The Grizzly, Our Greatest Wild Animal
Mills, Enos A.
Cornell Nature-Study Leaflets
New York State College of Agriculture
Summer
Sharp, Dallas Lore
In Beaver World
Mills, Enos A.
Wild Folk
Scoville, Samuel
Your National Parks, with Detailed Information for Tourists
Mills, Enos A., Schmeckebier, Laurence Frederick
Earthworms and Their Allies
Beddard, Frank E.
Herbs and Apples
Whitney, Helen Hay
The Protection of Fresh-Water Mussels
Coker, R. E.
Como evitar um desastre climático
Gates, Bill
Die Krise des Fortschritts und der Traum von der sauberen Energie
Heidenreich, Sybille
Comer animais
Foer, Jonathan Safran
Zero waste para chicas con prisas
Gerónimo, Georgina, Barea, Claudia
Basurascopio - Una exploración al mundo de la basura
Nancy Lago
Ésta, nuestra única tierra
Antonio Elio Brailovsky
El hijo de las escobas
Esteban Bargas
Cuesta arriba
Canales Tapia, Pedro