Seasonal Guide to the Natural Year (Oregon, Washington and British Columbia)James Luther DavisVyprodánoPohlídat
Best Places to Photograph North American Wildlife/Where to Go, How to Get There,What to Shoot, Where to Say and Buy SuppliesMark WarnerVyprodánoPohlídat
A Bitter Legacy: Coal Mining, Acid Mine Drainage, and the Fight for Clean WaterDavid B.VyprodánoPohlídat
A Field Guide to the Birds of Eastern and Central North AmericaRoger Tory Peterson InstituteVyprodánoPohlídat
