The royal road
By: by Charles A. Tyrrell
Edition: 381st ed. / completely rev. and illustrated by Chas. G. Percival.
Publisher: Tyrrell's Hygienic Institute
Published: 1931
Place of publication: New York
Language: eng
Number of pages: 169
Subjects: Hygiene; Health; Digestive organs
Notes: "A selected bibliography": p. 303-307.