Historical clue formulations

• Oh, brothers, where art thou? — 2025-03-28
• Homes for nuns — 2019-12-09
• Monasteries — 2015-06-30
• Nuns' homes — 2015-06-02
• Sisters' homes — 2011-06-30
• Where brothers and sisters hang out — 2010-10-09
• St. Mary's and others — 2010-06-05
• Centers of learning in the Dark Ages — 2003-02-08