Laumer - Fort Ancient (1969), Earthblood (1970), World Shuffler (1968), Glass Tree (1968), Shape Changer (1968), Box: 12, Folder: 39. Corporate Papers of the Robert Mills Literary Agency, MS 307. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/230375 Accessed November 23, 2024.