@misc{indiciaee5f93bbe1ab0, title = {The passenger pigeon in Pennsylvania, its remarkable history, habits and extinction, with interesting side lights on the folk and forest lore of the Alleghenian region of the old Keystone state — Illustration, BHL page 9160271}, year = {1919}, url = {https://www.biodiversitylibrary.org/page/9160271}, note = {Source identifier: page-9160271} }