The records of the Newburyport Athenaeum, a Newburyport, Massachusetts, proprietary library, include administrative papers, such as record books, reports of meetings and trustees, and correspondence; library operations papers, which include three library charge books; and financial papers, including a donations and fines book, treasurer's reports, shareholders and sales of shares, fines, receipts, and proxies.

The Salem Athenaeum Records include the Social Library records, 1760-1810, the Philosophical Library records, 1781-1810, and the Salem Athenaeum records, 1797-1889.

The records of the Salem Charitable Mechanic Association document the activities of this charitable organization which provided financial assistance to those employed in certain kinds of manual labor.

The Salem Fraternity Records document the 19th-century activities of this Salem, Massachusetts, organization.