My system
Subtitle: 15 minutes' exercise a day for the health's sake
By: by J.P. Muller
Edition: New ed. / revised by I.P. Muller.
Publisher: Athletic Publications
Published: 1939
Place of publication: London
Language: eng
Number of pages: 122
Subjects: Physical Education and Training
Notes: Earlier editions were given as translations from the Danish.

"Copyright in the United States of America, by Athletic Publications, Ltd"