References in classic literature ?
I wore my summer suit pretty well through that winter, and the following summer experienced the longest, dryest spell of all, in the period when salaried men are gone on vacation and manuscripts lie in editorial offices until vacation is over.
They dug down into a parched and powdery sand--the very dryest of all sand, indeed--there was not one trace of moisture!
"Tha' might sing th' Doxology," he suggested in his dryest grunt.
I like to revel in the dryest details of the great cathedral.
"I can tell you," said Sir Patrick, in his gravest and dryest manner.