In the "Gradcost III" study, relatively simple procedures have been developed for estimating the costs of graduate degree programs based on use of definitions and data generally available in U.S. graduate schools. Graduate degree program costs are taken to be the sum of three elements: departmental costs, allocated from departmental budgets; institutional support costs, apportioned from institutional expenditure reports; and graduate student appointment costs. Research program costs are approximated as the sum of unrestricted fund expenditures for departmental research, and restricted fund expenditure for sponsored research: the former is counted as a cost of both the departmental research and instruction programs, and the latter for the research program only. The developed procedures are applied to data collected from 14 U.S. colleges and universities in the fields of biochemistry, cell biology, chemistry, economics, English, mathematics and psychology. Average, upper, and lower quartile graduate degree program costs per enrolled graduate student and per graduate degree awarded are estimated. Estimated departmental costs are correlated to some extent with certain characteristics of individual departments and institutions. The procedures and results are discussed, and certain recommendations are set forth. The supplement contains a summary of the parent report, a glossary of terms, institutional questionnaire and departmental questionnaire for chemistry, procedures for calculations, illustrative calculations, and correlations. (Author/SPG)