The Origins of the Portrait on the 1850 Half-Length Stamps of the Colony of Victoria.Published in:London Philatelist, 2013, v. 122, n. 1410, p. 342By:Greig, IanPublication type:Article
GENERIC PROVING: REFLECTIONS ON SCOPE AND METHOD.Published in:For the Learning of Mathematics, 2013, v. 33, n. 3, p. 24By:LERON, URI;ZASLAVSKY, ORITPublication type:Article
PHILATELIC FLATTERY.Published in:History of Photography, 1986, v. 10, n. 4, p. 327, doi. 10.1080/03087298.1986.10443753By:Wilsher, AnnPublication type:Article