Casts from Gaston Design, Fruita, CO of the Mongolian horned dinosaur Protoceratops andrewsi (growth series: juvenile, subadult and adult).
Souvenir postcard (1987) showing a skeleton of Protoceratops andrewsi mounted at a museum in Tokyo, Japan.
Postcard (1950s) from The Field Museum (then called the Chicago Natural History Museum) reproducing a mural depicting a group of Protoceratops andrewsi, painted during the latter 1920s by artist Charles R. Knight.
Postcard showing a life-sized Protoceratops statue at the Farwell Dinosaur Park, Eureka Springs, Arkansas. The statue was made by sculptor Emmet A. Sullivan.