books.google.com - Professor Hagemann, for many years interested in the hard-boiled, tough-guy writers, has completed this comprehensive index to Black Mask magazine. A task that took many years as a labor of love, this study is a thorough and accurate index to a magazine that furnished a publishing place for many of the...http://books.google.com/books/about/A_Comprehensive_Index_to_Black_Mask_1920.html?id=wRidlbMu8JwC&utm_source=gb-gplus-shareA Comprehensive Index to Black Mask, 1920-1951
