John Cowper Powys papers, 1935-1962 1 box (1 box) Creator Powys, John Cowper, 1872-1963 Abstract Or Scope Letters of Powys to Cyril Clemens of the International Mark Twain Society. Also, three manuscripts, one a "Foreword" written by Powys for a proposed biography of A.E. Housman by Cyril Clemens; and a Powys family genealogy. view more view less Collection Context Rare Book & Manuscript Library