elementary
Hunter, Laboratory Problems in Civic Biology. American Book Company.
Davison, The Human Body and Health. American Book Company.
Gulick Hygiene Series, Town and City. Ginn and Company.
Hough and Sedgwick, The Human Mechanism, Part II. Ginn and Company.
Overton, General Hygiene. American Book Company.
Richards, Sanitation in Daily Life. Whitcomb and Barrows.
Richmond and Wallach, Good Citizenship. American Book Company.
Ritchie, Primer of Sanitation. World Book Company.
Sharpe, Laboratory Manual of Biology, pages 320-334. American Book Company.