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.

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

Joseph Lovell, Surgeon General’s Office [Washington, DC] to William Lee, Second Auditor regarding: returns of medical stores from many doctors including W. Beaumont. August 6, 1823

W. Beaumont and Deborah Beaumont [Mackinac, MI] to her parents [Plattsburgh, NY] regarding: family news. December 18, 1823

W. Beaumont, Surgeon, U.S.A. [Ft. Niagara, NY] to Joseph Lovell, Surgeon General [Washington, DC] September 1824. “A singular case and extraordinary recovery from a wound and perforation of the stomach,” Manuscript report, June 6, 1822–September 1824, and first series of experiments, September 1823–August 1826

Joseph Lovell, Surgeon General [Washington, DC] to W. Beaumont [Mackinac, MI] regarding: case history to be submitted to The [American] Medical Recorder and Lovell’s promise to send a book of experiments on gastric liquor as a guide to making further observations. November 9, 1824

John S. Whiting [Detroit, MI] to W. Beaumont [Michilimackinac, MI] regarding: notice of election to honorary membership in the Medical Society of the Territory of Michigan. March 3, 1825

W. Beaumont’s notes on preparation of citrate of morphia and potato paint. On verso, a note on use of croton oil. October 1825

Draft of letter from W. Beaumont [Fort Niagara, NY] to James Webster, publisher of the Medical Recorder [Philadelphia, PA] regarding: experiments made on gastric fluids of St. Martin (“absconded to Canada”). August 1825 – October 1825

Three texts: [1] “Notes, Remarks etc.,” an extract from a report from a speech in the British House of Commons about General Hastings (pp. 1-11). [2] W. Beaumont, Ft. Niagara, initial lines of a draft letter, evidently discontinued. [3] Extract from the Medical Recorder, no. 33, p. 204 in The London Medical and Physical Journal for August 1825 regarding: counterfeit diseases. March 11, 1826

Extract from the Edinburgh Medical and Surgical Journal, Vol. 28, p. 364, 1827

J. L. Lee, Second Auditor’s Office, Treasury Department [Washington, DC] to W. Beaumont [Fort Howard, Green Bay, WI] regarding: returns of medical and hospital stores for 1826. August 9, 1827

W. W. (William) Matthews, American Fur Company [Mackinac, MI] to W. Beaumont [Green Bay, WI] regarding: encounter with St. Martin at La Chalupe and request for reimbursement of expenses. August 13, 1827

W. W. (William) Matthews, American Fur Company [Mackinac, MI] to W. Beaumont [Green Bay, WI] regarding: reimbursement of Matthews expenses and negotiations for employment of St. Martin and wife. August 18, 1827

James Eakin, Second Auditor’s Office, Treasury Department [Washington, DC] to W. Beaumont [Green Bay, WI] regarding: returns of medical and hospital stores. November 16, 1827

W. Beaumont, notes on a woman with breast cancer. April 1819

W. Beaumont [Ft. Niagara, NY] notes on a case history of an abdominal abscess and a case history of ascites. September 1825