Quatrefoil Library shared space with the Minnesota Civil Liberties Union at 1021 West Broadway in Minneapolis.

[10] Sixteen months after its opening, the library moved to a bigger building in St. Paul to accommodate the growing collection.

[12] Founding member David Irwin had been so impressed with the positive portrayal of homosexuality, that he insisted on naming their collection the Quatrefoil Library.

[15] In 2021, Quatrefoil switched to a free membership system that enabled anyone to sign up for a library card and borrow materials at no charge.

"[18] The library's collection includes lesbian periodicals, documentaries, gay-themed posters, pulp novels, fiction, non-fiction, art, and photography books.