2 volumes in 13 parts, 1923-1929. Vol. 1, part 1, p.¹[1]-160, Mar 1923 part 2, p. 161-320, Jul 1923 ¹part 3, p. 321-480, Dec 1923 part 4, p. 481-640,¹May 1924, part 5, p. 641-800, Nov 1924 part 6, p.¹801-944, [i]-vii, [viii], Mar 1925. Vol. 2, part 1,¹p. [1]-160, Jul 1925 part 2, p. 161-320, Jan 1926 ¹part 3, p. 321-480, Jul 1926, part 4, p. 481-640,¹Feb 1927 part 5, p. 641-800, Nov 1927 part 6, p.¹801-944, Nov 1928 part 7, p. 945-120, [i-iv], Nov¹1929