Holdings
1.1927,9-11,20,23,27; 1929,11; 1930,3-20,22-26; 1931,1-10,12-19,21-22,24,24; 1932,1-8,11,13-14,16-26; 1933,1-15,17-24,26; 1934,1-19,31-32,34; 1935,1-8,10-18,21-23,25-26,28-29,31-52,1936,1-9,11,13,15,17-38,41-42,44-52; 1937; 1938,1-4,6-10,12-20; 1939,1-2