During the Civil war he was forced to leave his parish and fled to London. It was in London he met with opposition from other Calvinists. Some have suggested this was die in part to Crisp's popularity as a preacher. He died in 1643 of smallpox.
His Christ Alone Exalted was published posthumously by Robert Lancaster. John Gill, in 1765, published the complete Works.
Some of his works are available here: http://www.prdl.org/author_view.php?a_id=1330