Title Year Published Notes
Selected Letters, H. P. Lovecraft 1965 ( Sauk City , WI : Arkham House) As Editor With Donald Wandrei:
Volume 1 (1911-1925) 1965
Volume 2 (1925-1929) 1968
Volume 3 (1929-1931) 1971
Edited With James Turner:
Volume 4 (1932-1934) 1976
Volume 5 (1934-1937) 1976