Aaronic Priesthood: Powers and Offices Ballantyne, Verdon W.. Aaronic Priesthood: Powers and Offices In Encyclopedia of Mormonism, Edited by Daniel H. Ludlow. Vol. 1. New York: Macmillan, 1992.
Levitical Priesthood Ballantyne, Verdon W.. Levitical Priesthood In Encyclopedia of Mormonism, Edited by Daniel H. Ludlow. Vol. 2., 1992.