- “Them! (1954).” We Love Typography. http://welovetypography.com/post/6575
- Barson, Michael. “Gordon Douglas.” Encyclopedia Britannica. 5/24/16. https://www.britannica.com/biography/Gordon-Douglas
- “Theeemmmm! – Them! (1954)” The Telltale Mind. 12/20/14. https://thetelltalemind.com/2014/12/20/theeemmmm-them-1954/
- “Gordon Douglas.” iMDb. http://www.imdb.com/name/nm0235066/
- “Gordon Douglas.” Getty Images. http://www.gettyimages.com/detail/news-photo/american-film-director-gordon-douglas-looks-wide-eyed-at-news-photo/3227469#american-film-director-gordon-douglas-looks-wideeyed-at-the-camera-as-picture-id3227469
- “Carpenter Ants.” Raid. https://www.raid.com/en-us/bug-id/ants/carpenter-ants
- Rice, Eleanor. “Camponotus pennsylvanicus.” School of Ants. http://schoolofants.org/species/1166
- Hahn, Jeffrey and Kells, Stephen. “Carpenter Ants.” University of Minnesota. http://www.extension.umn.edu/garden/insects/find/carpenter-ants/
- Potter, Mike. “Carpenter Ants.” University of Kentucky College of Agriculture, Food and Environment. November 1997. https://entomology.ca.uky.edu/ef603
- “Pictures of Carpenter Ants up close.” Aacute Pest Control. http://www.aacutepestcontrol.com/carpenter_ant_pictures.htm