In 1966, the Library obtained an LSCA (Library Services and Construction Act) grant and a Civil Defense grant to fund an addition to the original building.

Libraries may borrow books or obtain copies of articles from NLM.

The first systematic effort to collect foreign law came in 1848 soon after the conclusion of the Mexican War, when Congress directed the Library to obtain all available laws of Mexico.

The Library of Congress has obtained a license from rights holders to offer it as streamed audio only.

After the War, and according to the National Library Act and the Press Law, both from 1919, the Library became the central state Library and obtained the right to acquire an obligatory copy from all over the Kingdom of Yugoslavia.

Libraries will generally obtain items through this system using the Library of Congress as a library of last resort.

The Library obtained the 4th floor when the School of Urban and Regional Planning relocated.