Historical clue formulations

• Big Apple educational syst. — 2023-05-10
• Big Apple sch. system — 2020-11-14
• Brooklyn Coll. is part of it — 2020-05-24
• Hunter College is part of it, in brief — 2018-09-01
• Big Apple sch. — 2013-11-17
• Big Apple college inits. — 2004-06-01