Which preposition to use with crum

of Occurrences 3%

Some of the crums of the scorched skin had come away with his fingers, and for the first time in his life (in the world's life indeed, for before him no man had known it) he tastedcrackling!

for Occurrences 1%

Listen: 'May the devil take Carroll and Crum for careless'h'mwell, 'pig-dogs.'

Which preposition to use with  crum