TY - BOOK T1 - Textbook of healthful living A1 - Diehl, Harold Sheely 1891- LA - English PP - New York PB - McGraw-Hill book company inc. YR - 1939 UL - https://tuklas.up.edu.ph/Record/UP-1685523046125226907 OP - 634 CN - RA776 D52 1939 KW - Hygiene. ER -