Experimentation in the adaptation of the overhead projector utilizing 200 transparencies and 800 overlays in teaching engineering descriptive geometry curricula, June 1, 1959 to August 31, 1960. Final report, grant no. 741023.09, U. S. Office of Education, Dept. of Health, Education, and Welfare.

"Corrected graph iv" leaf inserted.

A study of sanitation services, Louisville and Jefferson County Board of Health, Louisville, Kentucky, September-October 1948. Part 3. Proposed sanitary code.

Mode of access: Internet.

Report of the State Land Settlement Board of the State of California.

Mode of access: Internet.

Annual report of the Indiana State Board of Agriculture.

Vols. for 1869- include Annual report of the Geological Survey of Indiana.