Motorcycle race, probably in the Washington, D.C. Area, ca. 1920

Motorcycle races, Benning, MD, Labor Day, 1916

U.S. Army motorcycle & sidecar and supply trucks, 1917

Mrs. Sally Halterman, the first woman with a motorcycle license in the District of Columbia, 1937

Police guard with motorcycle, White House in rear, early 20th Century

Motorcycle detail – Mrs. Sally Halterman, the first woman with a motorcycle license in the District of Columbia, 1937

Woman and man on motorized scooter, New York City, 1957