Jehovah's Witnesses
Manwaring, D. (1962). Render unto Caesar: The flag-salute controversy. Chicago: University of Chicago Press.
Watch Tower Bible and Tract Society. (1983). School and Jehovah's Witnesses. Brooklyn, New York: Watchtower Bible and Tract Society of New York, Inc.
(The pamphlet describes why members of the group do not want students to participate in class elections, holiday and birthday celebrations, the flag salute, the singing of national anthems, games of chance, extracurricular activities sponsored by schools, responding to requests for money for political or religious purposes, or object to studies of various topics. Suggestions for working with parents are given.)