TY  - BOOK
AU  - Smith,Elwood Ferrer
AU  - Ryan,Louis A.
TI  - Preface to happiness
T2  - A guidebook to the Summa
AV  - BX1749.T6 S62
U1  - 230.2 
PY  - 1950///
CY  - New York
PB  - Benziger
KW  - Thomas Aquinas,
N1  - Include bibliografia
ER  -