http://book.klll.cc/ebooks/subject/19078.opds2025-08-20T11:27:12ZBooks about Textbooks -- Catalogs (sorted by popularity)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-08-20T11:27:12Zhttps://book.klll.cc/ebooks/31639.opdsComplete Classified Price List of School & College Textbooks. January 1915American Book Company