These are some earlier shots taken by Dr. Skivington before he moved up to a pro-quality "Speed Graphic" camera.  Most of the cars, drivers, dates, and venues are unknown or unconfirmed. 
 

Al Coppel -- OSCA	Al Coppel -- Nardi-BMW	Unknown -- Jaguar XK-120	Unknown -- 2 Merc-Benz 300SLs
Unknown -- AH passes spun out Jaguar XK-120!	Unknown -- Ferrari!!! Historians?	Unknown -- MG & Porsche	Unknown -- Frazer-Nash???
Unknown!!!	Phil Hill  -- MG-Ford V8-60	Unknown!!!	Unknown!!!
Bill Breeze -- MG Special	Bill David -- MG Special -- 1951	Roger Barlow -- Simca Spcl. Pebble Beach -- 1951