I have an abridgment of Urquhart's Rabelais on hand, a pretty skinny (!) book.
The Baxter I had in mind for you is part of his long book
The Saints' Everlasting Rest, pp. 274 in the scanned text, or pp. 354ff. at the bottom of the screen:
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archive.org]
I should be able to mention one or two more 17th-century references.
Have you read any Phyllis Paul? (20th-century novelist, not much at all known about her)