Kaufman Field Guides
Serie di Libri
di Kenn Kaufman
Ultimo:
2011
Birds of North America (Kenn Kaufman Focus Guides) by Kenn Kaufmann
di Lynn Hassler Kaufman Rick Bowers and Nora Bowers Kenn Kaufman
Kaufman Field Guide to Birds of North America
di Kenn Kaufman, Rick Bowers, Nora Mays Bowers