TY - BOOK AU - Dayton,William Adams TI - United States tree books: a bibliography of tree identification T2 - Bibliographical bulletin / United States Department of Agriculture AV - Z1009 .U57 no. 20 U1 - 016.591216 s016.591973 PY - 1952/// CY - [Washington, D.C.] PB - U.S. Dept. of Agriculture KW - Trees KW - United States KW - Bibliography ER -