For various freighters and tankers commanded by Captain H.M. Van Nieuwenhuysen, including: Ring Lardner, John McLean, Isaac Delgado, Lakewood Victory, Carl Zachary Webb, Sea Cloud, Occidental Victory, Titan, Sweetwater, Government Camp, and Potrero Hills.

Comprised of personal papers mainly letters of reference and schoolwork, and documentation of his career. Ships papers include Master's accounts, payroll accounts, ship's articles, slopchest records, repair records, correspondence, radio messages, allotment requests, customs documents, manifests, crew lists, and ships logs from his time commanding and performing trial runs on shipping vessels.