Biography.com: Lotze, Rudolf Hermann
Concise biographical paragraph.
Lotze, Rudolf Hermann: The Columbia Encyclopedia
Biographical entry on the philosopher R.H. Lotze
Rudolf Hermann Lotze
Brief entry from the Internet Encyclopedia of Philosophy on this German thinker.
Rudolph Hermann Lotze (1817-1881)
Paragraph on this thinker's idealistic system.
The Philosophy of Rudolph Hermann Lotze
Digest of this 19th-century thinker's ideas, from the Radical Academy.
Wikipedia: Rudolf Hermann Lotze
Entry from this openly-edited material, incorporating material from the 1911 Encyclopaedia Britannica.