This second annual statistical summary presents 1975-1976 data on the library collections, interlibrary loans, expenditures, and personnel of the 105 university and nonuniversity members of the Association of Research Libraries (ARL). Separate tables present figures on university enrollment, expenditures, Ph.D. degrees, and microform holdings by type. Member libraries are rank ordered by the following 13 factors: volumes in library, volumes added, microform holdings, current serials, professional staff, nonprofessional staff, total staff, materials expenditures, materials and binding expenditures, salaries and wages, total expenditures, total items loaned, and total items borrowed. (KP)