William Emerson 1856-1944 Ritter
(3)
William Leonard Gage Carl Ritter
(2)
Lawrence S. Ritter/ William L. Silber/ Gregory F. Udell
(1)
Scott Ritter/ William R. Polk (FRW)
(1)
William F. Ritter (EDT)/ Adel Shirmohammadi (EDT)
(1)
William Ritter/ Nicola Barber (COR)
(1)