Biography.com: Eucken, Rudolf Christoph
A one-paragraph biography.
Eucken, Rudolf Christoph
Biographical entry from the 2001 Columbia Encyclopedia.
Rudolf Christoph Eucken
Wikipedia article on this German ethical thinker.
Rudolf Eucken
Biography and bibliography, from the Books and Writers project.
The Nobel Prize in Literature 1908
Awarded to Eucken. Biography and full text of his Nobel lecture are available.