This statistic shows the average size of academic library collections in higher education institutions that granted doctorial degrees in the United States in 2015, by item type. As of 2015, post-secondary education institutions in the U.S. that granted doctoral degrees had *** million physical books in their collections on average.
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ACRL. (January 1, 2016). Average size of library collections in higher education institutions that granted doctoral degrees in the United States in 2015, by item type [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 25, 2026, from /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/
ACRL. "Average size of library collections in higher education institutions that granted doctoral degrees in the United States in 2015, by item type ." Chart. January 1, 2016. ÌÇÐÄÆƽâ°æ. Accessed July 25, 2026. /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/
ACRL. (2016). Average size of library collections in higher education institutions that granted doctoral degrees in the United States in 2015, by item type . ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 25, 2026. /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/
ACRL. "Average Size of Library Collections in Higher Education Institutions That Granted Doctoral Degrees in The United States in 2015, by Item Type ." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jan 2016, /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/
ACRL, Average size of library collections in higher education institutions that granted doctoral degrees in the United States in 2015, by item type ÌÇÐÄÆƽâ°æ, /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/ (last visited July 25, 2026)
Average size of library collections in higher education institutions that granted doctoral degrees in the United States in 2015, by item type [Graph], ACRL, January 1, 2016. [Online]. Available: /statistics/711515/academic-library-collections-size-in-doctoral-degree-granting-institutions-by-item-type-us/
