Bulletin.

1915 no.17; 1915 no.57; 1916 no.29; 1916 no.44; 1916 no.55; 1916 no.66; 1916 no.71; 1917 no.22; 1917 no.50; 1917 no.53; 1917 no.55; 1917 no.58; 1917 no.62; 1917 no.72; 1918 no.3; 1918 no.15; 1918 no.16; 1918 no.18; 1918 no.19; 1918 no.21; 1918 no.40; 1918 no.47; 1918 no.49; 1918 no.50; 1918 no.52; 1918 no.55; 1918 no.56; 1918 no.57; 1918 no.60; 1918 no.69; 1919 no.2; 1919 no.23; 1919 no.31; 1919 no.32; 1919 no.45; 1921 no.32; 1922 no.29; 1922 no.30; 1922 no.32; 1922 no.34; 1922 no.39; 1923 no.7; 1923 no.40; 1923 no.46; 1925 no.9; 1925 no.39; 1925 no.44; 1926 no.6; 1926 no.7; 1926 no.9; 1926 no.12; 1926 no.45; 1927 no.10; 1927 no.38; 1927 no.45; 1928 no.1; 1928 no.7; 1928 no.38; 1929 no.7; 1930 no.16; 1930 no.19; 1930 no.27; 1930 no.38,42; 1931 no.1; 1931 no.25; 1931 no.38; 1932 no.1; 1932 no.11; 1932 no.24; 1932 no.31; 1932 no.32 v.1; 1933 no.1; 1934 no.1; 1935 no.1; 1935 no.43; 1938 no.18; 1939 no.45; 1941 no.1; 1942 no.46; 1943 no.1; 1943 no.29; 1944 no.1; 1946 no.21; 1948 no.24; 1949 no.15; 1950 no.19; 1950 no.20