The Topical Files (1.5 linear ft., 1999-2006) consist of Barwin's files on various topics and projects and debates he was involved with while city manager. Included are Barwin's resume, awards received, and correspondence. There are also his business files accumulated while city manager. These include minutes of meetings, correspondence, city improvement projects, and surveys. The topical files also contain documents on the MOSES and SEMCOG lawsuit consisting of court documents, clippings, and press, as well as Ferndale's position on the voting structure debate. Project files relates to the Nine Mile streetscape improvement project and the I-75 expansion. The project files also include documents on the "Barwin amendment," which was his effort to amend the Michigan Constitution to increase Detroit Metropolitan area sales taxes by a half-cent in order to fund a rapid transit system.