Materials cataloged under Hillyer's name include a signed holograph manuscript (nd) of PASTORAL; one letter (1959 Nov. 2) from Clarence R. Decker to Edwin Steffe about Hillyer; and one letter (1961 Nov. 3) and one postcard (1961 Nov. 25) from Hillyer to Warren Roberts. The James Donald Adams collection contains nine letters (1947-60) from Hillyer to Adams. The Edward Dahlberg collection contains two letters (1952 March 8, March 25) from Hillyer to Dahlberg. The Joseph Hergesheimer collection contains two letters (1944 Oct. 31, Dec. 18) from Hillyer to Hergesheimer. The Frieda Lawrence collection contains one telegram (Nov. 18) from Hillyer to Lawrence. The Arthur Machen collection contains 96 letters (1922 Nov. 2-1938 Sept. 6) from Machen to Hillyer. The John Middleton Murry collection contains three letters (1926 May 8, 1927 Nov. 7, 1927 Dec. 29) from Hillyer to Murry. The Charles Norman collection contains three letters (1958 Feb. 24, March 4, March 7) from Hillyer to Norman and a typed copy of a letter (nd) from Hillyer to Mr. Gomme. The Leonidas Warren Payne collection contains one letter (1937 June 29) from Hillyer to Payne. The Evelyn Scott collection contains two letters (1938 May 4, May 12) from Hillyer to Scott. Books by Hillyer cataloged with the Center's book holdings include FIRST PRINCIPLES OF VERSE, with manuscript notes; the author's signed presentation copy (1949 April 27) to J. Donald Adams of POEMS FOR MUSIC, 1917-1947; the author's initialled presentation copy to e. e. cummings and the author's signed presentation copy to Edward and Frederica Weeks of THE RELIC AND OTHER POEMS; the author's signed presentation copy (1929 Nov. 14) to Conrad Aiken of THE SEVENTH HILL; and the author's inscribed presentation copies to J. Donald Adams and Edward Weeks of THE SUBURB BY THE SEA, NEW POEMS.