This is a report of a large scale survey conducted to meet the need for up-to-date information on the sources, types, and amounts of support available to graduate students, on the effects of stipend holding on academic progress and patterns of employment, and on other aspects of graduate education. The report is based on a sample of graduate students enrolled in accredited institutions during the spring term, 1963. Self-administered schedules were sent to 25,000 students enrolled for study in 37 detailed fields of study, encompassing the physical sciences, life sciences, behavioral sciences, engineering, and humanities. The data are based on questionnaires completed by 20,114 graduate students sampled from 130 schools. (HS)