Which preposition to use with henslow

at Occurrences 1%

In 1598 he was writing plays for Henslow at the Rose Theatre; on July 17, 1599, his connexion with the Admiral's Company there performing ceased; and his next appearance in stage history is as a writer for the Children of Her Majesty's Revels, the very company that succeeded, and was, indeed, founded on that of the Children of the Chapel at Blackfriars.

Which preposition to use with  henslow