The Cid Corman collection contains 14 letters and one postcard (1951-56) from Duncan to Corman; a typescript (nd) of LETTERS FOR DENISE LEVERTOV: AN AMUSEMENT; a typescript (1954) of OTHER NOTES FROM A NOTEBOOK; and a typescript (nd) of TWO PIECES FOR HELEN ADAM. The El Corno Emplumado collection contains one postcard (1963 November 20) from Duncan to El Corno Emplumado. The Genesis West collection contains two letters (1962 July 21 and December 27) from Duncan to Genesis West. The Edward Lucie-Smith collection contains a note (nd) from Duncan to Lucie-Smith. The Paterson Society collection contains six letters (1960-61) from Duncan to [Elsa] Dorfman, six letters (1960-61) from Dorfman to Duncan, a Duncan itinerary, three letters (1960) from Dartmouth College to Dorfman about Duncan, two letters (1960) from Bard College to Dorfman about Duncan, and one letter (1960 May 8) from Dorfman to Bard College about Duncan. The Ezra Pound collection contains one letter from Duncan to Dorothy [(Shakespeare)] Pound [1949], with a marginal autograph note by Ezra Pound. The Parker Tyler collection contains one letter (1950 February 25) from Tyler to Duncan. The Louis Zukofsky collection contains 26 letters and two Christmas cards ([1947]-62, 1966 February 13) from Duncan to Zukofsky, with three typescript sonnets attached to a 1962 August 20 letter; a holograph manuscript (1958-59) of an untitled poem, With winter roses let there by bronze..., with pencil decorations, folded to make a New Year's greeting card and signed by Duncan and Jess Collins; a typescript (1959 January) of AFTER READING BARELY AND WIDELY; mimeo notes on the poetics of Marianne Moore (1957 October) for a reading by Moore at San Francisco State College; a typescript [1957 September-October] of THE QUESTION; a typescript (1957 September) of SING FAIR THE LADY; a program of a poetry reading at San Francisco State College, 1959 March 2, with a note from an unidentified author to Zukofsky; and one letter (1959 February 4) from Duncan to Celia Zukofsky.