Orbit, by chance, used a number of Cap artists, past or future: Leav, Shores, Vince Alascia, Maurice Del Bourgo, Mort Lawrence, John Buscema, and Gene Colan.
This leaves three more Cap stories by Mort Leav to look for.
Mort Leav art in Captain America
|Nov/46||59||Pennies from Heaven (inks and pg 1 pencils: Syd Shores)|
|Jan/47||60||The Last Case of Inspector Leeds|
|The Big Fight|
|Mar/||61||The Bullfrog Terror|