biblio toscana

Trees

Washington, D.C. : United States government printing office, 1949

Fa parte di: Yearbook of agriculture / United States Department of agriculture

Trees

Washington, D.C : U.S. Government Printing Office, 1949

Serie: Yearbook of agriculture

1: Trees

Portland : Timber press, c1984

Fa parte di: Plants that merit attention

Trees

Leiden : Backhuys, 1997