AUSTRALIA, "The Postal History of Internees and Prisoners of War in Australia During World War II", by P. Collas, Melbourne, 1982 (2); "Instructional and Informative Markings of Victoria 1852-1913", by A.G. Rigo De Righi, Bouremouth, Melbourne, ND. Fine. (3)
Ex M.E.Freehill Collection.