1. Volume 13, Number 2, Winter 1950 box 3, folder 2 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » Fantasy Amateur, 1938-1954
2. Volume 13, Number 3 [51st FAPA mailing], Spring 1950 box 3, folder 2 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » Fantasy Amateur, 1938-1954
3. Volume 16, Number 5 [Coswalzine #148], October-November 1957 2 Copies box 6, folder 7 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » National Fantasy Fan, The, 1945-1960
4. Fantasy Fountain, October 1949 box 10, Folder Coswalzines Walter A. Coslet, Helena, MT Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines
5. Fantasy Fountain / Pseudonyms and Biographical Data, October 1949 Box 12, Folder 17 Walter A. Coslet, Helena, MT Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Indexes, Checklists, and References » Fans and Fanzines
6. NFFF Official Business, October 14, 1955 Bound Ephemera Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Ephemera » Ephemera Binder » NFFF
7. Volume 14, Number 3 [55th FAPA mailing, Coswalzine 84], May 1951 box 3, folder 2 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » Fantasy Amateur, 1938-1954
8. Volume 16, Number 3 [Coswalzine #142], June-June 1957 box 6, folder 7 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » National Fantasy Fan, The, 1945-1960
9. Volume 7, Number 3 [Coswalzine 102], June 1952 2 Copies Box 9, folder 23 Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Zines » Spectator, [The], 1947-1954
10. Postcard, Robert W. Lowndes to Walter A. Coslet, July 28, 1948 box 11, Folder Coswal Postcards Indiana University » Lilly Library » Collection: LMC 2992: Day, Don mss., 1932-1983 » Ephemera » Boxed Ephemera » Miscellaneous Walter Coslet