TY - BOOK TI - Forest leaves VL - v.17 (1919) UR - https://www.biodiversitylibrary.org/item/99495 PB - Pennsylvania Forestry Association CY - Philadelphia PY - 1919 SN - 0097-1294 AU - Pennsylvania Forestry Association. KW - Forest and forestry KW - Forests and forestry KW - Pennsylvania KW - Periodicals KW - Societies, etc KW - United States ER -