"Funk, Isaac Kaufman, (10 Sept. 1839–4 April 1912), author; President Funk & Wagnalls Company; Editor-in-chief of the various periodicals of Funk & Wagnalls Company; Editor-in-chief of the Funk & Wagnalls Standard Dictionary, new edition revised 1903; Chairman of Editorial Board that produced Jewish Encyclopædia", Who Was Who, Oxford University Press, December 1, 2007, doi:10.1093/ww/9780199540884.013.u186193
