Carbon copy of typed letter; 2pp. Poythress Press portfolio of Antechamber, McClure's Mao Poem ("politics starts with the barrel..."), holidays, winter birds, Tillotson Catalog, 13 January, 1977, Box: 1, Folder: 31. Michael McClure-Fred Martin correspondence, MS 315. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/192249 Accessed March 12, 2025.