Third Medical Society of Vermont [Burlington, VT]. W. Beaumont's certificate of medical examination and license to practice medicine. June 1812.
Seth Pomeroy [Burlington, VT]. Letter of recommendation for W. Beaumont. September 1812.
Benjamin Chandler [St. Albans, VT]. Letter of recommendation for W. Beaumont. September 7, 1812.
Champlain Masonic Lodge, character reference for W. Beaumont. September 8, 1812.
Truman Powell [Burlington, VT]. Letter of recommendation for W. Beaumont. September 10, 1812.
Royal Arch Masons, Champlain Chapter [Plattsburgh, NY]. Character reference. November 12, 1814.
Royal Arch Masons, Champlain Chapter [Plattsburgh, NY]. Character reference. November 13, 1814.
A. J. Dallas, Department of War [Washington, DC] to Commanding Officer, 29th Infantry Regiment regarding: reduction in the size of the army. March 14, 1815.
Public handbill, "To the public, Plattsburgh," regarding: a quarrel between G. H. Richards and W. Beaumont. June 12, 1815.
F. MacDonaugh [Plattsburgh, NY] to B. W. Crowninshield, Secretary of the Navy [Washington, DC] regarding: letter of recommendation. December 30, 1816.
Statement of the funds of the Forum (a Plattsburgh civic organization) addressed to the President and Secretary, signed by W. Beaumont, treasurer, together with notice of Beaumont's resignation. November 1, 1817.
Newspaper clipping, "Alisma plantago," regarding: an herbal cure for hydrophobia. August 28, 1818.
"Medical and physical journal commenced November 1, 1818 in the sixth year of medical and surgical practice." November 1, 1818.
W. Beaumont's commission as surgeon in the 15th Regiment, New York Cavalry, signed by Governor DeWitt Clinton Secretary J.V. Watts [Albany, NY]. April 6, 1819.
Certificate of membership from the Mark Master Masons Lodge [Plattsburgh, NY] to W. Beaumont. April 3, 1820.
Certificate, Mason of the Seventh Degree, from the Royal Arch Masons [Plattsburgh, NY] to W. Beaumont. April 3, 1820.
Certificate, Master Mason, from the Harmony Lodge Masons [Champlain, NY] to W. Beaumont. April 11, 1820.
Journal of cases in W. Beaumont's medical practice, including earliest descriptions of the wounding of St. Martin, recorded at Fort Mackinac, MI. November 18, 1822-January 12, 1825.