* ''Millions Now Living Will Never Die'' by Alan Rogerson. Detailed history of the Watch Tower movement, particularly its early years, a summary of Witness doctrines and the organizational and personal framework in which Witnesses conduct their lives. Constable & Co, London, 1969. SBN 094559406
* ''State and Salvation'' by William Kaplan (1989). Documents the Witnesses' fight for civil rights in Canada and the US amid political persecution during World War II. University of Toronto Press, ISBN 0-8020-5842-6.
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