The Autobiography and Letters of Matthew Vassar, edited by Elizabeth Hazelton Haight, 1916 (also available in print)
Before Vassar Opened by James Monroe Taylor, 1914 (also available in print)
Biographical Sketch of Matthew Vassar by John H. Raymond, 1868 (also available in print in Archives and Special Collections)
Communications of the Board of Trustees of Vassar College by its Founder, 1869 (also available in print in Archives and Special Collections)
Charter of Vassar College, with the Will of its Founder, 1882 (also available in print in Archives and Special Collections)
Earliest Years at Vassar: Personal Recollections by Frances Wood, 1909 (also available in print)
The First Students, Vassar Encyclopedia, 2015
"In Memorium" [Matthew Vassar], Godey's Lady's Book, Volume 77 (October 1868), 448-450 (also available in print in Archives and Special Collections.)
Letters from Old-Time Vassar, by an anonymous student, 1915 (available via Nineteenth Century Collections Online - also available in print)
Vassar by James Monroe Taylor and Elizabeth Hazelton Haight, 1915 (also available in print)
Vassar College and Its Founder by Benson Lossing, 1867 (also available in print)