Passing of the “Morocco Agencies” Last of the British P.O. Abroad, Douglas Armstrong Stamp Collecting August 1937 (2 pages) – 21.08.1937
Source http://www.abps.org.uk/Home/Who_Was_Who/index.xalter:
ARMSTRONG, Douglas Brawn 1888-1969. Journalist. Hon Secretary PCGB, Margate 1912. Edited Stamp Collectors’ Annual, 1912. Philatelic correspondent of the Times, the Bazaar, and Flight. Wrote ‘The Edwardian Stamps of the British Empire‘ [1912], ‘Boys’ Book of Stamp Collecting‘ [1913], ‘Stamps for Beginners‘ (with RER Dalwick) [1913], ‘Postage Stamps of War‘ [1914], ‘War Stamps of the Allies‘ (with CH Greenwood) [1920], ‘Stamp Collecting for Pleasure and Profit‘ [1922], and numerous country monographs including Anglo-Egyptian Sudan, Levant, Bosnia, The Nigerias, Crete, Abyssinia, New Hebrides, and Cayman Is (assisted by AJ Watkin and CB Bostwick). Edited Stamp Collecting [1933-49]. RDP 1959.