PRUSSIA
| A13.01 | Alt-Deutschland unter der Lupe by Mueller Mark, Vol. 8, PRUSSIA, Part 1. |
| A13.02 | Alt-Deutschland unter der Lupe by Mueller Mark, Vol. 8, PRUSSIA, Part 2. |
| A13.03 | Die Breifumschläge von Pruessen by F. Kalckoff. (Historical account of the envelopes of Prussia 1851-1867.) |
| A13.04 | Bewertung der Pruessischen Ringnummern-Stempel by W. Rasche. (Geographical listing of the Ring numbers of the Prussian towns.) |
| A13.05 | Berlin and its Environs by Karl Baedecker, 1903 (in English). |
| A13.06 | Nachverndete Altdeutschland-Stempel Prussia by J. Hennies, Vol.1. |
| A13.07 | Nachverndete Altdeutschland-Stempel Prussia by J. Hennies, Vol.2. |
| A13.08 | Zusammenstellung der Pruessischen Poststempel nach Form und Zeitfolge by F. W. Thalmann, Heft 24, 18p. |
| A13.09 | Zusammenstellung der Pruessischen Poststempel nach Form und Zeitfolge by F. W. Thalmann, Heft 25, 50p. |
| A13.10 | Arge Preussen - Katalog Preussen Postanstalter Poststempel 1817-1867 by P. Gaefke and D. Pflitsch, 1967. |
| A13.11 | Die Entwicklungsgeschichte der Briefaufgabestempel von der preußischen zum Deutschen Reichspost, Band 140 by W. Kohlhass, 56p. |
| A13.12 | Katalog der Preußen - Nummerstempel mit Bewertung by G. Bütow, 1927, 55p. [N] |
PRUSSIA Clippings
| A13.500CL | Aus Geschichte die Pruessischen Post (1640-1688) by T. Winterscheid, clipping from Der Sammlerdienst, Feb. 17, 1962, pp. 141-143; March 3, 1962, pp. 186-187. |
| A13.501CL | Prussian Closed Mail Transit Letters Via the United States: Some Very Rare Covers, by A. Radin, clipping from The American Philatelist, March 1984, p. 4. |
| A13.502CL | Ornaments used in Prussian Rectangular frame Postmarks by W. Mobs, clipping from Germania, August 1981, 5p. |
| A13.503CL | Die Alt-Berliner Stadt-Post-Expedition und ihre Briefsammlungen by F. Biesecke, clipping from Sammlerdienst, 1961, 11 p. |
| A13.504CL | Der Landesverband Berliner Philatelisten-Vereine by H. Genges, clipping, pp. 17-33. |
| A13.505CL | Die Postbeziehungen Zwischen Pruessen und Mecklenburg, Weidlich, Ludwigshafen, 1964 |
| A13.506CL | Stempel spiegln Berlin by Dr. J. Hochradel. |
| A13.507CL | Prussian Closed Mail Rates by A. Radin, 3 articles, clipping from The American Philatelist, December 1979, pp. 1079-1090 / January, 1980, pp. 21-27 / February 1983, pp. 115-122. |
| A13.508CL | German-Austrian Postal Union / Accounting on Prussian Closed Mail: Part II: Transit Letters, clipping from The American Philatelist, January 1985, pp. 51-60. |