Brass Bancroft of the secret service mysteries collection

Disc 1. Secret service of the air / screenplay: Raymond Schrock, director: Noel Smith (1939, 61 min.) ; Code of the secret service / screenplay: Lee Katz and Dean Franklin, director: Noel Smith (1939, 58 min.)

Disc 2. Smashing the money ring / screenplay: Anthony Coldeway and Raymond Schrock, director: Terry Morse (1939, 57 min.) ; Murder in the air / screenplay: Raymond Schrock, directed by Lewis Seiler (1940, 56 min.)