For more on the Henry Charles Lea library see:
- Edward Peters, "Henry Charles Lea and the Libraries within a Library" in The Penn Library Collections at 250: From Franklin to the Web, (Philadelphia: University of Pennsylvania Library, 2000), 32-59.
- A biographical note on Lea from 1910: "Benefactors of the University. Henry C. Lea - 1825-1909" Old Penn Vol. 8, no. 30 (May 14, 1910), pp. 493-495
- Report by Prof. Edward P. Cheyney on the state of Lea's library as it was shortly after his death. Old Penn Vol. 8, no. 14 (January 15, 1910), p. 212-213.
- An account of Lea's library in 1878: Frank Robinson, "The private libraries of Philadelphia : library of Mr. Henry C. Lea" (Philadelphia, 1878).