The key rookie cards for this year include #18 Wayne Gretzky.
Ron Duguay Gallery Trading Card Database
Архивы New York Islanders - Хоккейные карточки в Украине
1979-80 O-Pee-Chee Hockey - Gallery
Ron Duguay Hockey Trading Card Database
St. Louis Blues album, Cardboard History Gallery
Ron Duguay Hockey Cards
Архивы New York Islanders - Хоккейные карточки в Украине
Encyclopedia of the North American Hockey League (1973-1977): 2013
Center Ice Collectibles - Ron Duguay Hockey Cards