"Black genealogy : basic steps to research."; "Linder, Billy Royce."; "African Americans--Genealogy."; "Linder, Billy Royce."; "1981"; "Photocopy of serial issue. Issued as: American Association for State and Local History. Technical leaflet, 135."; ""; "P14300"; "pec"; "African Americans--Genealogy."; "14256"; .