STREET CLEANING:

Milwaukee, Wis. Bureau of Municipal Research. Efficiency and Economy in Municipal Work by Modern Type of Equipment.

Philadelphia. Highways and Street Cleaning, Bureau of Highways—A Problem in Municipal Housekeeping.

Fox, R. T. Report on Examination of Personnel, Methods of Work and Equipment of the Department of Street Cleaning, New York City.

Parlin, R. W. Flushing—Its Place in the Street Cleaning Field.

SEWAGE DISPOSAL:

Daniels, F. E. Operation of Sewage Disposal Plants.

Kershaw, G. B. de B. Guide to the Reports, Evidence, and Appendices of the Royal Commission on Sewage Disposal.

Kershaw, G. B. de B. Sewage Purification and Disposal.

Metcalf, L., and Eddy, H. P. American Sewerage Practice. Disposal of Sewage.

Eddy, H. P. Extent to which Sewage can be Purified by Practical Methods of Artificial Treatment now in Use.

Faber, D. C. Operation and Care of Sewage Disposal Plants.

Fuller, W. B. Sewage Disposal by the Activated Sludge Process.

Bristol, L. D. Municipal Sewage and its Care.

American Public Health Association. Standard Methods for the Examination of Water and Sewage.

Hammond, G. T. Sewage Treatment by Aeration and Activation.

Weston, R. S., and Turner, C. E. Studies on the Digestion of a Sewage Filter Effluent by a Small and Otherwise Unpolluted Stream.

REFUSE AND REFUSE DISPOSAL:

Chicago. City Waste Commission.

Gerhard, W. P. Disposal of Household Wastes.

Matthews, E. R. Refuse Disposal.

Turrentine, J. W. Preparation of Fertilizer from Municipal Wastes.

Conant, E. R. Refuse Disposal in Southern Cities, with Particular Reference to Savannah, Ga., with its new Incinerator.

Rich, E. D. Garbage Collection and Disposal.

Gerhard, W. P. Sanitation and Sanitary Engineering.