July 1929-July 1936, prepared under the auspices of the National Research Council; January 1937-July 1945, sponsored by the Society of Economic Geologists; July 1948-1967 compiled by the bibliographic staff of the Geological Society of America.
Vol. 1 (1928)-10 (1938). 1 v.; v. 1 (1928)-25 (1954). 2 v.