- Trump:
- https://en.wikipedia.org/wiki/Donald_Trump.
- Picture by Michael Vadon
- [CC BY-SA 2.0 (http://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons
- Source: https://commons.wikimedia.org/wiki/File%3ADonald_Trump_August_19%2C_2015_(cropped).jpg
- Clinton:
- https://commons.wikimedia.org/wiki/File:Hillary_Clinton_by_Gage_Skidmore_2.jpg
- Picture by Gage Skidmore
- [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons” .
- Source: https://commons.wikimedia.org/wiki/File%3AHillary_Clinton_by_Gage_Skidmore_2.jpg
- Cruz:
- https://commons.wikimedia.org/wiki/File:US_Senator_of_Texas_Ted_Cruz_at_FITN_in_Nashua,_NH_07.jpg
- Picture by Michael Vadon (Own work)
- [CC BY-SA 4.0 (http://creativecommons.org/licenses/by-sa/4.0)], via Wikimedia Commons.”
- Source: https://commons.wikimedia.org/wiki/File%3AUS_Senator_of_Texas_Ted_Cruz_at_FITN_in_Nashua%2C_NH_07.jpg
- Sanders:
- https://commons.wikimedia.org/wiki/File:Bernie_Sanders_September_2015_cropped.jpg
- Picture by Miller Center
- [CC BY 2.0 (http://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons.”
- Source: https://commons.wikimedia.org/wiki/File%3ABernie_Sanders_September_2015_cropped.jpg6.
- Kasich:
- https://commons.wikimedia.org/wiki/File:Governor_John_Kasich.jpg.
- By Office of Ohio Governor John R. Kasich (Wikipedia:Contact us/Photo submission) [Public domain], via Wikimedia Commons.
- Source: https://commons.wikimedia.org/wiki/File%3AGovernor_John_Kasich.jpg
