12=1921; 14=1922; 16=1923; 17=1924; 20=1925; 22=1926; 24=1927; 27=1928; 28=1929; 29=1930; 30=1931; 32=1932; 35=1933; 36=1934; 38=1935; 40=1936/37; 41=1938; 42=1939; 44=1940; 46=1941; 47=1942; 48=1943; 49=1944; 50=1945; 51=1946; 52=1947 von: Contributions to Canadian mineralogy (ISSN: 0701-3876)
