Poems with Eigner numbers composed of a number plus a lower case letter (except with L), usually enclosed in double brackets, as ((3r)), 1958 - 1967, Box: 3, Section C. Larry Eigner poems and papers, MS 39. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/239787 Accessed November 15, 2024.