Version 8.1 of the list (pdf) includes minor corrections and goes out on a limb to attribute Julian Mitchell’s Long Branch, N.J. house to the firm:
Photo of Mitchell house in Helen-Chantal Pike, Images of America: West Long Branch Revisited (Charleston, S.C.: Arcadia Publishing, 2007), 54.
The house was the Monmouth County Junior League Designer Show House in 1997. Around that time, apparently, Stanford White began to be named as the architect. There are several reasons to believe that Charles A. Rich was the architect, including the appearance of the house.