Relations of water supply and sewers to the health of cities, with special reference to the city of Washington: address before the Civic Center by Geo. M. Kober, M.D., January 15, 1897

Relations of water supply and sewers to the health of cities, with special reference to the city of Washington: address before the Civic Center by Geo. M. Kober, M.D., January 15, 1897