http://www.gutenberg.org/ebooks/author/55291.opds 2024-11-10T09:08:59Z Books by Heffron, Ida Cassa (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://www.gutenberg.org webmaster@gutenberg.org https://www.gutenberg.org/gutenberg/favicon.ico 25 1 2024-11-10T09:08:59Z https://sendtokindle.compellingsciencefiction.com/ebooks/69493.opds Lessons in chalk modeling: The new method of map drawing Ida Cassa Heffron