This report presents statistics on the 107 university libraries and 12 independent research libraries that were members of the ARL (Association of Research Libraries) during the 1987-88 fiscal year. Data are reported in alphabetical and rank order on collections (volumes in library, gross and net volumes added, monographs purchased, current serials purchased and not purchased, and microform holdings); interlibrary loans; personnel (professional staff, non-professional staff, and student assistants); and expenditures (materials, salaries and wages, monographs, serials, other operating, and total expenditures). Ph.D.s awarded, faculty, enrollment statistics and rank order tables of university libraries are also included. A copy of the ARL statistics questionnaire is attached. (MSE)