Tough as Nails: The Complete Cases of Donahue From the Pages of Black Mask
The Complete Casebook of Cardigan, Volume 4: 1935-37
The Complete Casebook of Cardigan, Volume 1: 1931-32
The Complete Casebook of Cardigan, Volume 3: 1934-35
The Complete Casebook of Cardigan, Volume 2: 1933
SSC (1950) Six Deadly Dames