Notes:
[N.p.], Royal Philatelic Society of Canada, 1963, 197p. Supplement to the handbook and catalogue of Canadian transportation postmarks, being corrections and additions to June 30, 1970. R.J. Wooley, editor. [N.p.], British North America Philatelic Society, 1970, 16p. + 1p. of corrections. See also "New listing from Shaw's last addendum from book." BNA topics, v. 28, no. 10, 1971, p. 290; v. 30, no. 7, 1973, p. 180; v. 30, no. 8, 1973, p. 214. Note: First edition appeared as Catalogue of Canadian railroad cancellations; their classification, identification and value. Shawinigan Falls, Que., 1944, 53p. See also "Addenda to catalogue of Canadian railroad cancellations." British North America Philatelic Society. Yearbook. 1947 (Cipex Edition), p. 30-34. After edition of 1963 see additions to the handbook as "Railway postmarks." Maple leaves, v. 10, no. 4, 1964, p. 88; v. 10, no. 5, 1964, p. 110-111. "RPO handbook additions." Canadian philatelist, v. 15, no. 6, 1964, p. 273; v. 16, no. 1, 1965, p. 42. "Canadian transportation postmarks handbook [supplement]." T.P.O., v. 19, no. 4, 1965, p. 143-144. Shaw, T.P.G., R.P.O. Allan and A.L. Steinhart. "Addendum to 'The handbook and catalogue of Canadian transportation postmarks'." BNA topics, v. 24, no. 8, 1967, p. 198; v. 24, no. 9, 1967, p. 226; v. 25, no. 1, 1968, p. 23-24; v. 25, no. 2, 1968, p. 47-48, 50. "Canadian R.P.O.s - Addendum to Shaw's handbook." Maple leaves, v. 12, no. 7, 1968, p. 188; v. 12, no. 10, 1969, p. 275; v. 12, no. 11, 1969, p. 303; v. 12, no. 12, 1969, p. 49; v. 13, no. 4, 1970, p. 108; v. 13, no. 5, 1970, p. 124; v. 13, no. 7, 1970, p. 195. See also The catalogue section of the handbook of Canadian transportation postmarks - their identification and classification by T.P.G. Shaw as revised and edited by Lewis M. Ludlow on behalf of the R.P.O. Study Group - British North American Philatelic society. [N.p.], 1975, 143p.