Columbia subject headings:
Callan, P. (Patrick)--Claims vs. United States.
United States--History--War of 1812--Claims.
Harvard subject headings:
Callan, P. (Patrick)--Claims vs. United States.
United States--History--War of 1812--Claims.
United States. Army--Accounting.
United States. Army--Recruiting, enlistment, etc.
Princeton subject headings:
Callan, P. (Patrick)--Claims vs. United States.
United States--History--War of 1812--Claims.