BOYDEN LIBRARY CLASSIFICATION Brother William L. Boyden, librarian for the Supreme Council, A.&A.S.R.,S.J., at Washington, D.C., after years of experience and experiment, perfected a library classification system for Masonic books. He divided titles under ten general heads, in 400 classes and subclasses. He made the system available to Masonic librarians in a brochure of twenty-two pages, a working manual: Classification of the Literature of Freemasonry and Related Societies, by W. L. Boyden; Washington, D.C., 1915; e/o The Supreme Council A.&.A.S.R.,S.J.