Historical clue formulations

• Certain encls. — 2016-03-17
• Some letter enclosures, for short — 2015-11-15
• Ppd. enclosures — 2014-05-21
• They aid responses, in brief — 2013-11-15
• MS. dos? — 2011-11-18
• MS. enclosures — 2011-07-10
• Some encls. — 2011-05-08
• Wedding invitation encls. — 2010-02-23
• Enclosures with MSS. — 2008-08-26
• Submitters' encls. — 2007-03-28
• Encls. to editors — 2006-05-30
• MS. enclosures — 2005-05-24
• Postal conveniences: Abbr. — 2005-02-17
• Letter enclosures: Abbr. — 2004-03-14
• Author's supply: Abbr. — 2002-06-01
• MS. adjuncts — 2002-05-03
• MS. accompaniers — 2000-07-06
• MS. enclosures — 1997-06-24