Higgins, Clement A treatise on the law relating to the pollution & obstruction of watercourses : a brief summary of the various sources of rivers pollution / by Clement Higgins - London : Stevens and Haynes, 1877 - xi, 228, 48 p. ; 22 cm. Includes index Subjects--Topical Terms: Environmental lawPollution--Law and legislation Dewey Class. No.: 344.04632