Haydn, J., & Vincent, B. (1904). Haydyn's Dictionary of dates and universal information: Relating to all ages and nations ... to the end of 1903 (23rd ed.). London: Ward, Lock.MLA Citation
Haydn, Joseph, and Benjamin Vincent. Haydyn's Dictionary of Dates and Universal Information: Relating to All Ages and Nations ... to the End of 1903. 23rd ed. London: Ward, Lock, 1904.