Overview Vol. XLX, No. 1, September 22, 1939; Vol. XXXVIII, No. 2, October 6, 1939; Vol. XXXVIII, No. 3, October 18, 1939; Vol. XXXVIII, No. 4, November 3, 1939; Vol. XXXVIII, No. 5, November 17, 1939; Vol. XXXVIII, No. 6, December 1, 1939; Vol. XXXVIII, No. 7, December 15, 1939; Vol. XXXVIII, No. 8, February 2, 1940; Vol. XXXVIII, No. 9, February 16, 1940; Vol. XXXVIII, No. 10, March 1, 1940; Vol. XXXVIII, No. 11, March 14, 1940; Vol. XXXVIII, No. 12, April 5, 1940; Vol. XXXVIII, No. 13, April 19,...