1.
MS 05. Melchers, Jacob Hendrik (1889-1972). Papers & Postcards, 1908-1937. 5.379 linear ft.
2.
MS 30. Mulder, Jacob G. (1890-1973). Papers, 1918-1919. .417 linear feet.
MS 19.1. Smeenk, Jacob. (1816-1854). Family Papers. 17 folders.