This book may be helpful:

The Old Cryes of London, with numerous illustrations and musical examples, by Sir Frederick Bridge (Novello, 1921; reprint AMS, 1976; 78 pages)
Chapters: I (London Lackpenny); II (The Music of the Cryes); III (A Humorous Fancy. By Weelkes); IV (Rounds, and a Freeman's Song); V (In Nomine. By Orlando Gibbons); VI (Fancy, "What d'ye Lacke?" By Richard Deering); VII (New Fashions. Fancy by W. Cobbold); VIII (The Cryes of Later Years); Appendix.

"Hot-Cross Buns" (4-part arrangement) is in it (pp. 60-61).

~Masato