Hirschfeld, Magnus. _Die Gurgel Berlins_, Vol. XLI in “Grossstadt Dokumente” (Berlin, 1905). A study of the main street of Berlin from the standpoint of its effect on the individual and as a revelation of city life. (VI, 2; VII, 2, 4.) Quaife, Milo Milton. _Chicago’s Highways, Old and New_ (Chicago, 1923). The changes wrought in the character of the city as viewed from the point of view of the streets. (VI, 2; VII, 1, 2.) Whipple, G. C. “Economical and Sanitary Problems of American Cities,” _American City_ (February, 1921), p. 112. (VI.) 4. The many devices in the realm of public safety and welfare which are the characteristic product of the city, such as fire department, police, health inspection, and the manifold activities of the social agencies concern the sociologist as typical expressions of group life in the city environment. Addams, Jane. _Twenty Years at Hull House; With Autobiographical Notes_ (New York, 1910). City life as seen in a typical social agency—the social settlement. (V, 2, 3; VII, 5.) Assessor (pseudonym). _Die Berliner Polizei_, Vol. XXXIV in “Grossstadt Dokumente” (Berlin, 1905). A personal account of the police force of the modern city. (IX, 1.) Anonymous. _Berliner Gerichte_, Vol. XXIV in “Grossstadt Dokumente” (Berlin, 1905). Daily experiences in a typical city court. Carbaugh, H. C. _Human Welfare Work in Chicago_ (Chicago, 1917). A brief account of the various specialized social agencies operating in the large city. (VII, 5; IX, 1.) Fitzpatrick, Edward A. _Interrelationships of Hospital and Community_, reprint from _Modern Hospital_, February, 1925. Pamphlet. A sketch of the possible place and nature of a health agency in a modern urban community. Fosdick, Raymond, and Associates. _Criminal Justice in Cleveland_, directed and edited by Roscoe Pound and Felix Frankfurter (Cleveland, 1922). (VI, 7.) Fosdick, Raymond B. _European Police Systems_ (New York, 1915). ——. _American Police Systems_ (New York, 1920). Harrison, Shelby M. _Public Employment Offices; Their Purpose, Structure, and Method_ (New York, 1924). (IX, 1.) Richmond, Mary E. _The Good Neighbor in the Modern City_ (Philadelphia and London, 1913). Suggestions to the layman about the social agencies and their work in the large modern city. (V, 2; VII, 5.) Wilson, Warren H. _The Evolution of the Country Community: A Study in Religious Sociology_ (Boston, New York, Chicago, 1912). Gives types of organizations and institutions. (V, 3; X, 2.) In almost every large city the number of social agencies and public institutions is so large and their work so varied that directories of these agencies have been made available. In addition, reports and surveys of many cities are at hand, and the periodical literature is tremendous.