Rick Ortenburger

• William K. Henninger, 1818-1894 & his ancestors & descendants
• Vienna regulators and factory clocks
• Conrad Ottenburger and Descendants
• David's Haus
• Descendents of August Eduard Ortenburger, 1833 - 2008
• Descendents of August Eduard Ortenburger, 1833 - 2008
• Descendents of August Eduard Ortenburger, 1833 - 2008
• Emma August Ortenburger - Soviet Labor Camps
• Faces of a Family
• Faces of a Family Volume I
• Faces of a Family Volume II
• Family Tree Ortenburger (Stammtafel des Geschlechts der Ortenburger)