American Encyclopaedia of Christianity records, 1920 -- 1927 Collection Context Burke Library at Union Theological Seminary
Charles P. G. Scott Dictionary of Etymological Terms, 1880-1937 Collection Context Rare Book & Manuscript Library
Encyclopaedia of the Social Sciences Records, 1927-1934 Collection Context Rare Book & Manuscript Library
International Encyclopedia of the Social Sciences records, 1960-1967 Collection Context Rare Book & Manuscript Library