Just permanent interests : Black Americans in congress, 1870-1991 / With a forew. by L. Douglas Wilder. - New York : Amistad, 1992. - xv, 412 p. ; 24 cm.см.. - ISBN 1-56743-000-7[MFN: 11617]
Congress : The Chester country line / by Wayne C. Woodward. - West Chester : Chester Country Historical Society, 1992. - 326 p. : ill. ; 24 cm.см.. - ISBN 0-929706-07-2[MFN: 34925]