The Joseph Estabrook reference collection include the following files: Biographies by researchers, two handwritten volumes of Estabrook's A Brief Outline of the History of the Michigan State Normal College, materials from dedications of buildings named for Estabrook, press clippings, correspondence, Estabrook's curriculum vitae, memorial programs and obituaries, and student classifications with Estabrook's signature. Estabrook was the fourth president of Michigan State Normal College, serving from 1871-1880.