Books by Robert RidgwayClick here for all books by Robert Ridgway available for purchase on-line. A Review of the American Species of the Genus Scops, Savigny by Robert Ridgway listed for sale on Bibliophile Bookbase. Click here for full details and on-line purchase. A Nomenclature of Colors for Naturalists and Compendium of Useful Knowledge for Ornithologists by Robert Ridgway listed for sale on Bibliophile Bookbase. Click here for full details and on-line purchase. Color Standards and Color Nomenclature by Robert Ridgway listed for sale on Bibliophile Bookbase. Click here for full details and on-line purchase. |