* Works by Houston Stewart Chamberlain, at Unz.org* Works by Houston Stewart Chamberlain, at Hathi Trust* Theodore Roosevelt's review of "The Foundation of the 19th Century"* Houston Stewart Chamberlain biography and transcriptions – online compendium arranged by an admirer* Kolnai, Aurel, "The War Against the West", Chapter V – Faith And Thought 5.
==External sources==* Works by Houston Stewart Chamberlain, at Unz.org* Works by Houston Stewart Chamberlain, at Hathi Trust* Theodore Roosevelt's review of "The Foundation of the 19th Century"* Houston Stewart Chamberlain biography and transcriptions – online compendium arranged by an admirer* Kolnai, Aurel, "The War Against the West", Chapter V – Faith And Thought 5.