Re the Rice R1 and R2: All the materials (mostly R1) donated by Ed Feustel to the Computer History Museum (see https://www.computerhistory.org/collections/catalog/102733972/) have been digitized and are available here: https://softwarepreservation.computerhistory.org/Rice_Computer_Project/ . This web site also includes a copy of Adam’s history, posted with his permission. Paul McJones