Holdings

Date                 Vol.
1913                  1
1914                  2
1915                  3, 4
1916                  5, 6
1917                  7
1918                  8
1919                  9
1920                  10
1921                  11
1922                  12
1923                  13
1924                  14, 15
1925                  16
1926                  17
1928                  18, 19
1929                  20
1930                  21
1931                  22, 23
1932                  24
1933                  25
1934                  26
1935                  27
missing vol 28, 29
1937                  30
1938                  31
1938                  32
1939                  33
1940                  34
1941                  35
1942                  36
1951                  37