_“Blue Cover” Series, each number 10c._
No. 161 Ten Minutes’ Exercise for Busy Men
No. 185 Hints on Health
No. 325 Twenty-Minute Exercises
_“Red Cover” Series, each number 25c._
No. 7R. Physical Training Simplified
No. 9R. How to Live 100 Years
No. 23R. Get Well; Keep Well
No. 33R. Tensing Exercises
No. 51R. 285 Health Answers
No. 54R. Medicine Ball Exercises, Indigestion Treated by Gymnastics,
Physical Education and Hygiene
No. 62R. The Care of the Body
No. 64R. Muscle Building; Health by Muscular Gymnastics