http://book.klll.cc/ebooks/author/48125.opds 2025-09-19T15:58:12Z Books by Butterworth, Frank (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-19T15:58:12Z https://book.klll.cc/ebooks/54962.opds Retail Shoe Salesmanship George F. Hamilton, Frank Butterworth, H. T. Conner, and A. H. Geuting