Historical clue formulations

• Melville's "Billy ___" — 2014-11-02
• Fictional Billy — 2013-11-17
• Melville's "Billy ___" — 2010-09-26
• Melville's Billy — 2000-04-18
• Melville's Billy — 1999-07-01
• Melville foretopman — 1997-03-02