 Alexander Library is also a Federal Depository Library, maintaining a large collection of government documents, which contains United States, New Jersey, foreign, and international government publications.The "Library of Science and Medicine" (LSM) on the Busch Campus in Piscataway houses the University's collection in behavioral, biological, earth, and pharmaceutical sciences and engineering.LSM also serves as a designated depository library for government publication regarding science, and owns a U.S. patent collection and patent search facility.