1930s

Years	American League	National League	Postseason	Japan
1930	1930 AL	1930 NL	1930 WS	1930 in Japan
1931	1931 AL	1931 NL	1931 WS	1931 in Japan
1932	1932 AL	1932 NL	1932 WS	1932 in Japan
1933	1933 AL	1933 NL	1933 WS	1933 in Japan
1934	1934 AL	1934 NL	1934 WS	1934 in Japan
1935	1935 AL	1935 NL	1935 WS	1935 in Japan
1936	1936 AL	1936 NL	1936 WS	1936 in Japan
1937	1937 AL	1937 NL	1937 WS	1937 in Japan
1938	1938 AL	1938 NL	1938 WS	1938 in Japan
1939	1939 AL	1939 NL	1939 WS	1939 in Japan

[edit] Further Reading

Charles C. Alexander: Breaking the Slump: Baseball in the Depression Era, Columbia University Press, New York, NY, 2002.
Donald Honig: Baseball When the Grass Was Real: Baseball from the '20s to the '40s Told by the Men Who Played It, University of Nebraska Press, Lincoln, NE, 1993 (originally published in 1975). ISBN 0803272677
Donald Honig: Baseball in the 30's: A Decade of Survival, Crown Publishers, New York, NY, 1989. ISBN 0517572508
Bill James: "The 1930s", in The New Bill James Historical Baseball Abstract, The Free Press, New York, NY, 2001, pp. 145-165.
David George Surdam: Wins, Losses and Empty Seats: How Baseball Outlasted the Great Depression, University of Nebraska Press, Lincoln, NE, 2011.

[1] Article examining the difference in run production levels between the American and National Leagues in the 1930s in The Hardball Times, part 1.
[2] Article examining the difference in run production levels between the American and National Leagues in the 1930s in The Hardball Times, part 2.