The Ryerson genealogy: genealogy and history of the Knickerbocker families of Ryerson, Ryerse, Ryerss, also Adriance and Martense families, all descendants of Martin and Adriaen Reyersz (Reyerszen), of Amsterdam, Holland
Ryerson, Albert Winslow, 1872-; Holman, Alfred L. (Alfred Lyman), 1854-1934