“Letter to Otto Rene Castillo.” Poem by John Minczeski, illustration by Timothy Miske, Shadow Press, Minneapolis, Minn, no date

“Letter to Otto Rene Castillo.” Poem by John Minczeski, illustration by Timothy Miske, Shadow Press, Minneapolis, Minn, no date, oversize folder: 3. Neala Schleuning poster collection, GRA 0118. University of Delaware Library Special Collections. https://findingaids.lib.udel.edu/repositories/2/archival_objects/162541 Accessed September 12, 2024.