Article on Herman Ridder’s 1902 meeting with Prince Heinrich (Henry), the brother of Kaiser Wilhelm of Germany, during his visit to the United States
St. Louis Republic article on Herman Ridder’s 1902 meeting with Prince Heinrich (Henry), the brother of Kaiser Wilhelm of Germany, during his visit to the United States. “Emperor's Brother Dines with Newspaper Makers.” St. Louis Republican, February 27, 1902, page 1.