1. Diploma of Ferris Jacobs, M.D., from Columbian College Collection: Images from the Rare Book and Manuscript Collections Location: Washington, District of Columbia, United States Date: 1830-03-30 Format: Image Creator: George Washington University (American repository, Washington, contemporary), ...
2. Certificate of membership for Dr. Ferris Jacobs Collection: Images from the Rare Book and Manuscript Collections Location: Baltimore, Baltimore Independent City, Maryland, United States Date: 1830-06-10 Format: Image Creator: Medical and Chirurgical Faculty of the State of Maryland
3. Certificate of membership in the Medical Society of Washington D.C. Collection: Images from the Rare Book and Manuscript Collections Location: Washington, District of Columbia, United States Date: 1830-03-11 Format: Image Creator: Medical Society of the District of Columbia
