Identification of southeastern trees in winter /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1981

Rocky mountain trees ; a handbook of the native species with plates and distribution maps.

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1947

North American trees (exclusive of Mexico and tropical United States) : A handbook designed for field use, with plates and distribution maps.

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1948

North American trees (exclusive of Mexico and tropical United States) : A handbook designed for field use, with plates and distribution maps.

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1966

North American trees (exclusive of Mexico and tropical United States) : a handbook designed for field use, with plates and distribution maps /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1976

Rocky mountain trees ; a handbook of the native species with plates and distribution maps /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1940

North American trees : exclusive of Mexico and tropical Florida /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 1989

North American trees /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 2002

North American trees /

by Preston, Richard J. (Richard Joseph), 1905-2001
Published 2002