This catalog describes the status and content of research programs which were either developed or administered by the Office of Manpower Research under Title I of the Manpower Development and Training Act (MDTA) or the Economic Opportunity Act for the fiscal year ending June 1968. Brief summaries are given for 71 active MDTA research contracts, seven active institutional grants, 78 active doctoral dissertation grants, 41 active research project grants, and 16 active Bureau of Work-Training Programs. Abstracts are given for 22 completed MDTA research contracts, 15 completed dissertation grants, and 13 completed research project grants. A list of reports completed for fiscal years 1963 to 1968 are also included. Proposal guidelines for each of the categories of grants or contracts are given. The appendixes include Title I of MDTA, an index of contractor and grantee organizations, an index to individuals associated with the contracts and grants and a subject index. (EM)