Historical clue formulations

• Collection of photographs or songs — 2026-06-09
• Single source? — 2023-10-14
• Something that's dropped after it's finished — 2022-12-02
• Lady Gaga's "The Fame" or "Artpop" — 2022-04-19
• Collection of songs — 2021-09-06
• Song collection — 2021-05-26
• Collection on Facebook — 2021-05-16
• Stamp holder — 2020-12-17
• Photo display option — 2019-05-28
• Philatelist's item — 2018-02-11
• Wedding keepsake — 2016-07-01
• Track holder? — 2016-06-05
• Series of numbers? — 2015-05-31
• Photo collection — 2015-04-13
• Not a single thing? — 2014-04-06
• The Beatles' "Revolver" or "Help!" — 2008-12-01
• Picture holder — 2008-06-01
• Photo book — 2006-12-04
• Photo collection holder — 2006-04-04
• Vinyl collectible — 2005-11-09
• Music holder — 2005-07-06
• It contains tracks — 2005-03-10
• Book of memories, maybe — 2002-12-17
• Picture holder — 2001-11-20
• Collector's book — 1998-03-08
• Autograph _____ — 1995-11-26
• Philatelist's book — 1995-10-02