United States Senate | Senate | Advisory Committee on Antarctic Names | International Olympic Committee | Committee of Public Safety | UK Antarctic Place-Names Committee | New York State Senate | Republican National Committee | Central Committee | Northwest Territories | Democratic National Committee | New Jersey Senate | Provinces and territories of Canada | Minnesota Senate | House Un-American Activities Committee | International Committee of the Red Cross | Louisiana State Senate | California State Senate | States and territories of Australia | New Territories | Senate of Canada | British Overseas Territories | United States Senate Committee on the Judiciary | United States House Committee on Ways and Means | United States Senate elections, 2004 | Florida Senate | United States Olympic Committee | Australian Senate | American Jewish Committee | United States House Committee on the Judiciary |
During his Senate tenure, Willis served as Chairman of the Senate Committee on Territories and Insular Possessions, which had jurisdiction over territories including Alaska, Hawaii, the Philippines, and Puerto Rico, from 1923 to 1928.