TY  - BOOK
AU  - Hopkins,Edward Scott
AU  - Elder,Francis R.
TI  - The practice of sanitation,
AV  - RA425 .H59
U1  - 363.72 HOP 22
PY  - 1951///
CY  - Baltimore
PB  - Williams & Wilkins
KW  - Public health
KW  - Sanitation
KW  - Social,Probs & Services
N1  - Includes bibliographies
ER  -