Publication of the Astronomical Society of the Pacific. Issued bi-monthly. San-Francisco. 1923 v.35 1924 v.36 1925 v.37 1926 v.38 1927 v.39 1928 v.40 1929 v.41 N 239 1930 v.42 1931 v.43 1932 v.44 1933 v.45 august N 266 1938 v.50 1939 v.51 N299-301,304 1941 v.53 N 311,312 1946 v.58 N 343-345 1947 v.59 N 347,349 1949 v.61 1950 v.62 N 364-368 1951 v.63 N 370,372-375 1952 v.64 N 376-380 1953 v.65 N 382-387 1954 v.66 N 388,390-393 1955 v.67 N 394,395,396,397-399, 1956 v.68 N 400,401,403-405 reprints: vol.109:614-627: vol.110:1499-1510 vol.112:733-741; vol.115:869-878;