1. Theodor Kocher. The Nobel Prize in Physiology or Medicine 1909. At: Nobelpprize.org. (From Nobel Lectures, Physiology or Medicine 1901–1921, Elsevier, Amsterdam, 1967), ; 2009 [viewed 30.06.09].
2. Emil Theodor Kocher. Emil Theodor Kocher. At: Who Named It? ; 2009 [viewed 30.06.09].
3. Theodor Billroth (1829–1894);Busman;Acta Chir Belg,2006
4. No author. Theodor Emil Kocher, modern surgery pioneer. At: find-health-articles.com, ; 2009 [viewed 30.06.09].
5. No author. Emil Theodor Kocher. At: Answers.com, ; 2009 [viewed 30.06.09].