Stamps in 2019

The History of German Reunification: A Curious Vision from the Philatelic Point of View by Gonzalez Melendez, Fernando

Philippines: Postal Issues of the Japanese Occupation by Hall, Roderick

Hispanic Heritage and Participation on United States Stamps by Sanchez, Daniel T.

Bibliography of the Philately and Postal History of the British Isles by Summers, Howard

Generally Speaking: All 33 columns, plus a few philatelic words from Keller by Block, Lawrence