TY  - BOOK
AU  - McGovern,Arthur A.
TI  - The secret of keeping fit: an easy and sure way to better health 
AV  - RA 776 M34.1935
PY  - 1935///
CY  - New York
PB  - Simon and Schuster
KW  - Hygiene
KW  - Salud -
KW  - Cuidado personal
KW  - Calisthenics
KW  - Calistenia
ER  -