Good morning everyone.
Three clues missing.
15 ac.: A ruminant's fourth stomach, the abomasum(4) R ? A ?
16 ac.: One of the famous five at Greyfriars, created by Frank richards (5,7)
? A ? R ? W ? A ? T ? N
33 ac.: An early 14th-century French prose romance
P ? R ? E ? O ? E ? T
Can anyone help?