American Architects Directories:
Biographical listing in 1956 American Architects Directory
Biographical listing in 1962 American Architects Directory
Biographical listing in 1970 American Architects Directory
Obituary published in AIArchitect (online newsletter), October 3, 2005.
The American Institute of Architects Archives
Membership file contains membership application, correspondence about AIA activities, Fellowship nomination with press release and photograph, press release and photograph for Kemper Award, and obituary. Two speeches given by Rothschild to contractors about the AIA's A401 contract document in 1971-1972 have been scanned separately. The AIA Archives also has unprocessed papers related to Rothschild's work on AIA's Documents Committee.