50/xx/xx    0 By-Products of the Atom
* 50/xx/xx    1 Cancer in Men
* 50/xx/xx    2 Frauds and Superstitions
* 50/xx/xx    3 The Why of Cancer
* 50/xx/xx    4 Cancer, Cause for Hope
* 50/xx/xx    5 Radium Against Cancer
* 50/xx/xx    6 The Seven Symptoms
* 50/xx/xx    7 The Weapon of Surgery
* 50/xx/xx    8 A Headache Brings a Woman to Her Doctor for a Checkup, Who Finds
* 50/xx/xx    9 The Story of Research Now Being Conducted to Find the Cause Of
* 50/xx/xx   10 The Power of the X-Ray
* 50/xx/xx   11 What Are We Fighting
* 50/xx/xx   12 Cancer in Women
* 50/xx/xx   13 By-Products of the Atom (2)