User blog:Tbuchalski/Batman's 1939 Appearances

1.	Detective Comics #1.27 (May 1939, in stores 4/18/1939): "The Case of the Chemical Syndicate" 2.	Detective Comics #1.28 (June 1939, in stores 5/11/1939): "Justice" 3.	Detective Comics #1.29 (July 1939, in stores 6/13/1939): "The Batman Meets Doctor Death" 4.	Detective Comics #1.30 (August 1939, in stores 7/13/1939): "The Return of Doctor Death" 5.	Detective Comics #1.31 (September 1939, in stores 8/10/1939): Batman Versus the Vampire (Part I)
 * 1st appearance of Batman
 * 1st appearance of Doctor Death
 * 1st appearance of the Monk and Julie Madison
 * First appearance of the Bat-gyro and the Batarang.

6.	Detective Comics #1.32 (October 1939, in stores 9/12/1939): Batman Versus the Vampire (Part II of II) 7.	Detective Comics #1.33 (November 1939, in stores 10/10/1939): "The Batman Wars Against the Dirigible of Doom" 8.	Detective Comics #1.34 (December 1939, in stores 11/7/1939): "Peril in Paris"