Harden also served six years (1953–59) on the Committee on the Post Office and Civil Service during the Eisenhower administration. In 1957 Harden and U.S. Representative Florence Dwyer proposed legislation in the U.S. House in support of equal pay for women.
During his time in office, Harden played a role in shaping policies related to post office services and civil service during the Eisenhower administration. In 1957, Harden collaborated with U.S. Representative Florence Dwyer on a bill aimed at promoting equal pay for women in the U.S. House.