The General Manuscript File Collection consists of 26 boxes of correspondence and other manuscript materials from notable individuals, dating from 1667, 1727, and 1735 to 2012, acquired individually by the department from various sources over several decades.

This collection contains articles and statements collected and organized in 1946 by Wilhelm Wexelsen from Norsk Artikkeltjeneste, the Norwegian News Service which operated during World War II. Material in this collection, which also includes propaganda, originated between 1943 and 1945. The collection includes propaganda materials from the AKI, "Anti-Communism Institute," between 1944 and 1945.

The William Luke Photograph Collection is a collection of photographs of buses from at least 60 countries. Each photograph is annotated by William Luke. The dates of publication of the photographs range from 1880 to 2010, and the majority of the photographs were published between 1980 and 1999.