Krebs, Georg 1833-1907 Humboldt; Monatsschrift Für Die Gesamten Naturwissenschaften; jahrg. 6 1887

Krebs, Georg 1833-1907 Humboldt; Monatsschrift Für Die Gesamten Naturwissenschaften; jahrg. 1 1882

1833-1907, Mackintosh John Historic Earls and Earldoms of Scotland

Todd, John E. 1833-1907. 1n The Todd Family in America or the Descendants of Christopher Todd, 1637-1919: Being an Effort to Give an Account, as Fully as Possible of his Descendants

Robinson, Tracy 1833-1915 Panama: a Personal Record of Forty-six Years, 1861-1907