Collingwood, G. H. 1890-1958. Knowing your trees, [electronic resource] / by G.H. Collingwood and Warren D. Brush. Rev. and edited by Devereux Butcher.. — Washington, : American Forestry Association,, 1974.. — 374 p. : illus. 30 cm.

Bibliography: p. 369.



LCCN: 73083868

Subjects--Topical Terms:
Trees--United States.

LC Class. No.: QK482 / .C27 1974

Dewey Class. No.: 582/.1609/73