Conversation so far:
where does ring a ring o' roses come from
Ring a Ring o' Roses or Ring a Ring o' Rosie is an English nursery rhyme or folksong and playground singing game.
when did ring a ring o' roses first appear in print
Ring a ring o roses first appeared in print in 1881, but it is reported that a version was already being sung to the current tune in the 1790s

Question: when was an early version printed in a mother goose collection
Self-contained rewrite: when was an early version of ring a ring o' roses printed in a mother goose collection