The story behind Eagles' dog masks – NBC Sports Philadelphia

Eagles fans swarm Lincoln Financial Field in dog masks for NFC Championship (PHOTOS)

Philadelphia Eagles players wear dog masks after win over Atlanta Falcons - ESPN

Philadelphia Eagles Dog Masks: Chinese Mask Company - Sports Illustrated

Eagles fans swarm Lincoln Financial Field in dog masks for NFC Championship (PHOTOS)

Why the Eagles are wearing dog masks - The Washington Post

WHY Are Eagles Fans Wearing DOG MASKS to the NFC Championship Game?

LOOK: Chris Long barks at fans and breaks out the dog mask to celebrate Eagles win

Eagles fans swarm Lincoln Financial Field in dog masks for NFC Championship (PHOTOS)

reveal-community-ranking/visualizationModule/jsons/worldWarIIIusers12.json at master · MKLab-ITI/reveal-community-ranking · GitHub

Where Did Eagles Get Those (Under)Dog Masks From? Here's Where You Can Get Yours – NBC10 Philadelphia

datascience/2014/kaggle/insult-detection/data/test_with_solutions.csv at master · algorithmica-repository/datascience · GitHub

Why Do Eagles Fans Wear Dog Masks? - Thrillist