All digital material has been made available via the Hathi Trust unless otherwise indicated.
Matthew Vassar Papers (digitized segment of the original collection, available in the VCL Digital Library)
— See Hale's letter of 30 March 1865 for her argument against the word female.
Godey's Lady's Book (via American Periodicals Series Online)
Images of Early Vassar (curated collection, available in the VCL Digital Library)
"The Vassar College," Harper's Weely, Volume 5 (30 March 1861). (Available via Harpweek and in print)
Circular by Order of the Trustees of Vassar Female College, 1864. (Also available in print in Archives and Special Collections)