Vogt, A.E. Van. The Battle of Forever, , 1971

Vogt, A.E. Van. The Battle of Forever, , 1971, Box: 32, Folder: 36. Donald A. Wollheim papers, MS 250. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/242324 Accessed December 25, 2025.