Gallup Genealogy 1987 Gallop, Galloup, Galloupe, Gallupe, Gollop Updated 2nd Ed.
Gallup Genealogy 1987 (Gallop, Galloup, Galloupe, Gallupe, Gollop). Foreword by Elisha Lloyd Gallup. Pubished by the Gallup Family Association / Brigham Young University (1987).