2020Vol.51 - No.4

7Postage Due Collection Rulings for Unpaid and Shortpaid Domestic Mail from 1855 to 1958Tony Wawrukiewicz
16Augusta, Georgia, Express Mail CoversJames W. Milgram M.D.
22Commemorative Postcard-Rate Issues, 1972-1982Richard D. Martorelli
28Rate Analysis Sheds Light on the Rarity of $1 Airlift Stamp UsesRonald Blanks
32The Post Office at Duck Key, FloridaPeter Martin
35U.S. Auxiliary Markings: The Story of ‘Called Out’ and Related MarkingsJohn M. Hotchner.
41Battle in a Civil War Border StateJesse I. Spector, M.D.
45Confederate Postal History: Per ‘Wild Pigeon’—The Caroline Carson CorrespondencePatricia A. Kaufmann
49The Odd Lot: A 1955 Record Sent by Airmail to Wichita, Kansas 
50At the APRL: Special Collections—Research PapersScott D. Tiffney
52U.S. Post Offices: Oklahoma Post OfficesSteven J. Bahnsen
54Postcard Pursuit: A Wooden Postcard from the 1904 St. Louis World’s FairPeter Martin