There are over 70 libraries at Harvard, with combined holdings of more than 16 million items. Those most relevant to ESPP studies include the following departmental libraries:

The Department of Anthropology (Tozzer Library); The Department of Chemistry and Chemical Biology (CCB Library); The Department of Earth and Planetary Sciences and the School of Engineering and Applied Sciences (Gordon McKay Library); The Department of Molecular and Cellular Biology (MCZ Library); The Department of Organismic and Evolutionary biology (Farlow Library).

The Cabot Library in the Science Center has a capacity of 300,000 volumes and now contains an interdisciplinary science collection (114,000 volumes) and ancillary learning aids (TV viewing rooms, microfiche readers, computers, interactive lecture console).

The Fisher Museum of Forestry, housed at Harvard Forest in Petersham, MA, has an extensive library and research laboratories.

The Government Department in the Littauer Center does not have its own library, but the various centers and institutes with which department members are affiliated have libraries available to undergraduates (i.e., the Center for International Affairs, the Center for European Studies, the Russian Research Center, the East Asian Research Center, the Center for Middle East Studies, and the Joint Center for Urban Studies).

Students interested in the religious and ethical dimensions of the concentration can draw upon the collections at Widener Library, Fogg Art Museum, Andover-Harvard Library at the Divinity School and on area studies libraries (such as the Yenching library).