Posted by Rob Neal on
URL: https://www.shado-forum.com/Century-21-Sound-Effects-tp1509026p1509073.html

Interesting info there, Howard, so it seems I was on the right track.
As I suspect, John Peverill's work was probably intermixed with Stock
ITC material. So the question now arises: "Who is Ralph Rogers, and
where is he, and those elusive sounds now"?