Author talk:Lawrence Perry

sources:
 * http://onlinebooks.library.upenn.edu/webbin/gutbook/author?name=Perry%2C%20Lawrence%2C%201875-1954
 * https://www.goodreads.com/author/list/1505719.Lawrence_Perry
 * http://archiveswest.orbiscascade.org/ark:/80444/xv14990