Background is an English country fairground, circa 1885. Man in red is from a 17th century German engraving (hand-tinted) of a conjurer at work.
Nurses are from a photo collection (also hand-tinted) assembled in the 1940s & 1950s, in the archives of the National Library of Medicine (USA). They are (left to right) from the Philippines, Denmark, British Honduras, Hong Kong, Madeira, Kenya, Nepal, Dominican Republic, and Colombia.
The bunny rabbit is from my scrap pile.