TY - BOOK TI - A manual of the mosses of western Pennsylvania UR - https://www.biodiversitylibrary.org/item/16692 PB - The author, Press of the City Mission Pub. Co CY - Pittsburgh PY - 1913 N1 - Plates printed on both sides. AU - Jennings, Otto E. (Otto Emery), KW - Mosses KW - Pennsylvania ER -