Grossman Library, located at its closure on the third floor of Sever Hall in Harvard Yard, was the Harvard Extension School's primary library.

It was a reserve reading and study library, named in 1982 for alumnus and benefactor Edgar Grossman.

[1] The library was established in 1964 in Lehman Hall, along with study spaces, conferences rooms, library facilities, and a dining hall for Extension students.

[2] In 1983–84, the library moved to Sever Hall and saw a doubling of usage to nearly 30,000 student visits, with 13,000 reserve books being circulated for in-library use.

[3] It had on permanent display a number of works from the famed artist Allan Rohan Crite, including a collection of sketches, The Revelation of Saint John the Divine, and illustrations.