In 1973, 180 independent two-year colleges with membership in the American Association of Community and Junior Colleges (AACJC) were surveyed to determine the extent of cooperative arrangements. Forty-five colleges (25 percent) reported 207 programs of interinstitutional cooperation. In a second survey of state directors of public two-year colleges, 321 institutions reported a total of 328 programs. Overall, cooperating private colleges average four programs per institution, while cooperating public colleges average 0.9 programs per institution. For both kinds of institutions, approximately 50 percent of all programs are academic. Library, faculty, and admissions and enrollment programs comprise other important areas for the independents. Training and admissions and enrollment programs are the other important areas for public institutions. Public college programs usually involve several institutions; independent college programs usually involve only two institutions. Both public and private colleges tend to cooperate with their two- or four-year counterparts. Cooperative programs are seen as a means of strengthening private two-year colleges without loss of autonomy, through sharing of resources in a time of fiscal uncertainty. (Author/DC)