This document lists 16 image sources from Flickr.com that were cited as references. Each citation includes the photographer name, image title, date published on Flickr, and date accessed. The images referenced cover topics such as the US Air Force graduation, American Airlines, badminton, a Catholic college, computers, Doraemon, engineering signs, journeys, a "keep calm" message, music, peace, pizza, Southeast Asia, smiling, smiling turtles, a teddy bear, and Vietnamese food.