Saul, John. The Blackstone Chronicles, Part 4 - In The Shadow of Evil: The Handkerchief. Paperback. Mission Cabinet.

Saul, John. The Blackstone Chronicles, Part 4 - In The Shadow of Evil: The Handkerchief. Paperback. Mission Cabinet., Volume: Burroughs 295. William S. Burroughs entertainment reading collection, Burroughs. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/579516 Accessed December 26, 2025.