The cleansing and disinfecting of schools ....
The cleansing and disinfecting of schools ....
- London, Printed for H.M. Stationery off., by Wyman and sons, limited, 1907.
- 9 p. 25 cm.
e 08000022
School buildings--Sanitation.
LB3245 / .G7
e 08000022
School buildings--Sanitation.
LB3245 / .G7