Incoming Resources
- Scott 2021 standard postage stamp catalogue, editor-in-chief, Jay Bigalke; [editor-at-large, Donna Houseman] ;editor, Charles Snee ; [managing editor, Timothy A. Hodge]; editor emeritus, James E. Kloetzel
- Scott 2022 standard postage stamp catalogue, editor-in-chief, Jay Bigalke; [editor-at-large, Donna Houseman] ;editor, Charles Snee
- Entropia, a collection of unusually rare stamps, by Christian Lorenz Scheurer
- Stamp collecting for dummies, by Richard L. Sine