Skulls (casts) of Protoceratops andrewsi (juveniles) from the Late Cretaceous Djadochta Formation of Mongolia, purchased from Gaston Design, Inc.
Souvenir postcard (1987) showing a skeleton of Protoceratops andrewsi mounted at a museum in Tokyo, Japan.
Postcard showing a life-sized Protoceratops statue at the Farwell Dinosaur Park, Eureka Springs, Arkansas. The statue was made by sculptor Emmet A. Sullivan.
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.