Aloni, Zvi. The Alexander collection, Milestones in the postal history of the Holy Land (Eretz Israel Museum, Tel Aviv ; The Alexander Museum of Postal History & Philately, 2008). [IP70068]
American Philatelic Research Library. Manual of philatelic headings used by the American Philatelic Research Library ([Bellefonte, Pennsylvania]: American Philatelic Research Library, [2018-]). [Online]
Anderson, Robert G. (Bob). Brant County postmarks & cancels to 1930: an exhibit (Ottawa, ON, Canada: British North America Philatelic Society, 2018). [IP70062]
Bansal, S.P. Indian plate flaws 1974-1985: definitive stamps & commemorative stamps (Firozabad, India: S.P. Bansal, [2018?]). [IP70072]
Bansal, S.P. 1983 stationery charges on embossed postal envelopes (Firozabad, India: S.P. Bansal, [2018?]). [IP70081]
Bansal, S.P. Traditional Indian money order (Firozabad, India: S.P. Bansal, [2018?]). [IP70082]
Bloom, Michael; Irikov, Igor. The municipal revenues of Latvia 1883 to 1945: comprehensive specialized catalog (Portland, OR, USA ; Riga, Latvia: Michael Bloom ; Igor Irikov, 2019). [IP70083]
Corinphilia Auktionen. Chile, the Colon issues 1853-1867, the Joseph Hackmey collection (part I): November 26, 2018(Zurich, Schweiz: Corinphila Auktionen, 2018). [NS Hackmey, Joseph]
Dickinson, Gary. Three brands of first day covers from Regina: Litho-Art, Philatelic Supply, Phila Coin (Ottawa, ON, Canada: British North America Philatelic Society, c2018). [IP70065]
Falberg, Bill. Historical catalog of U.S. postal card essays and proofs (Chester, VA: UPDD, United Postal Stationery Society, 2018). [G3701 .P860 F177 2018]
Fiset, Louis. Japanese Canadians in World War II: censored mail from the uprooting in British Columbia (Ottawa, ON, Canada: British North America Philatelic Society, 2018). [IP70063]
Gasser, Martin. 1805-1881, Postroutenstempel der Schweiz: Organisation, Postboten, Postrouten (Lenzburg: Martin Gasser (Schwäbisch Gmünd : Druck Bahnmayer GmbH), [2010]). [IP70045]
Great Britain. Parliament. House of Commons. Select Committee on Postage. Report from the Select Committee on Postage Label Stamps: together with the proceedings of the Committee, minutes of evidence, and index ([Great Britain]: House of Commons, 1852 May 21). [CS2 Thomas Alexander Papers]
Harms, Wolfgang; Luwer, Dieter. Wellenlinien auf der Post in Deutschland vom ersten Auftreten 1859 bis zum Entwertestempel seit 2010 (Berlin-Schonefeld: ArGe Briefpostautomation ; Morgana-Edition, 2012). [IP70055]
Herms, A. (Axel Walter); Loertscher, K. (Kurt). Stehende Helvetia ([Switzerland]: A. Herms & K. Loertscher, 2015). [IP70038 (Vol.I); IP70039 (Vol.II); IP70040 (Vol.III)]
Keller, Erhard. Die Strubel-Halbierungen ([Switzerland?]: Erhard Keller, [2010]). [IP70042 (IP70049)]
Maier, Georg. Enteros postales del Ecuador = Postal Stationery of Ecuador 1884-2018: catalogo especializado = specialized catalogue ([Guayaquil, Ecuador]: M.I. Municipalidad de Guayaquil, 2018).[IP70071]
Meier-Schobinger, Peter. Zurück = Retour: Wie die Post früher mit Briefen und Karten umging, die den Empfängern nicht zugestellt werden konnten und Geschichten, die dahinter stehen = Comment la poste procédait autrefois avec les lettres et les cartes qui ne pouvaient être distribuées et histoires qui s’y rapportent ([Villars-sur-Fontenais JU], [Switzerland]: Peter Meier-Schobinger (Giebenach [Switzerland]: Multiprint), [2017]). [IP70043]
Muir, Douglas N. Return to sender: The Retour labels of Switzerland = Die Retour-Etiketten der Schweiz ([Switzerland]: Schweiz. Vereinigung fur Postgeschichte (Hitchin, Herts., U.K. : Alford Printing Services), 2018). [IP70169]
Sassone. Catalogo dei francobolli d’Italia e dei paesi italiani (Milano: “Sassone” S.R.L., 2019). [G6710 .A1 S252 2019]
Schafer, Richard. 1609-1798 Postvertrage, Taxen, Routen Alte Eidgenossenschaft = Swiss postal contracts, tarifs, routes = Traites postales Suisse, tarifs, routes (Reinach [Switzerland]: Multipress Verlag AG, [2000]). [IP70037]
Schafer, Richard. Anfänge bis 1798, Das Postwesen der Alten Eidgenossenschaft = Swiss postal history of the Old Confederation = Histoire postale de l’Ancienne Confédération (Reinach [Switzerland]: Multipress Verlag AG, [2000]). [IP70047]
Schafer, Richard. Handbuch 1. Schweizer Bundesmarken, Durheim Ausgaben, 1. Oktober 1850 bis 30. September 1854: Frankaturen, Seltenheiten (Zürich: Corinphila Auktionen, [2018]). [IP70046]
Schweizerischer Ganzsachen-Sammler-Verein. Entstehung und Ende der Tüblibriefe: Festschrift herausgegeben zu deren 150. Geburtstag am 1. Juli 2017 (Bern [Switzerland]: Clipaeus Verlag, 2017). [IP70048]
Stanley Gibbons Ltd. Stanley Gibbons Commonwealth stamp catalogue. Hong Kong (London ; Ringwood, [England]: Stanley Gibbons Ltd, 2018). [G7940 .A1 G441h 2018]
Stillions, C.A. (Clarence A.). Newfoundland’s last definitives, the Perkins Bacon and Sprague printings: an exhibit (Ottawa, ON, Canada: British North America Philatelic Society, 2018). [IP70061]
Swanson, Robert D. (Bob). First World War domestic military facilities of the United States, 1917-1919 (Box Elder SD: Bob Swanson, 2018). [G3701 .M644 S972d 2018]
Tyler, Varro. Varro Tyler archives on counterfeits, fakes, and forgeries of United States postal cards ([Various locations]: [Various publishers], [2001]). [IP70069]
Tyler, Varro. Varro Tyler archives on counterfeits, fakes, and forgeries of United States envelopes ([various locations]: [various publishers], [2001]). [IP70070]
Undersander,Dan. Catalog of the 19th century stamped envelopes, lettersheets, and wrappers of the United States (Chester, VA: United Postal Stationery Society, Inc., 2018). [G3701 .P860 U586un 2018]
Walker, John H. Confederate use of patriotic covers during the Civil War 1861-1865: The Royal Philatelic Society London, 6th December 2018 ([London]: Royal Philatelic Society London (Printed by the Confederate Stamp Alliance in the United States of America), 2018). [IP70060]