I was able to find a copy of the Decoy Collector's Guide 1968 Annual in excellent condition from a California bookstore. Among its profiles that year was a five page article on Clayton's Sam Denny.
Decoy Collector's Guide 1968 Annual Cover
Decoy Collector's Guide 1968 Annual, inside cover
Decoy Collector's Guide 1968 Annual, Sam Denny page 1
Decoy Collector's Guide 1968 Annual, Sam Denny page 2
Decoy Collector's Guide 1968 Annual, Sam Denny page 3
Decoy Collector's Guide 1968 Annual, Sam Denny page 4
Decoy Collector's Guide 1968 Annual, Sam Denny page 5
