SOCKS Protocol Version 5. - Marcus Leech; Matt Ganis; Ying-Da Lee; Ron Kuris; David Koblas; LaMont Jones (RFC, 1996)

Username/Password Authentication for SOCKS V5. - Marcus Leech (RFC, 1996)

Key Management Considerations for the TCP MD5 Signature Option. - Marcus D. Leech (RFC, 2003)

Chinese Lottery Cryptanalysis Revisited: The Internet as a Codebreaking Tool. - Marcus D. Leech (RFC, 2003)