Livingston, Christopher (2006-03-20). "Strip Club 'Concerned...'". GGL.com (Interview). Interviewed by Paul Semel. Archived from the original on 2011-09-28. Retrieved 2008-08-17.
Information regarding the software used in the development of the comic can be found at the bottom of any page from www.screencuisine.net/hlcomic.
Livingston, Christopher (2005-05-01). "Issue #000". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-16.
Livingston, Christopher (2006-11-06). "Issue #205". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-16.
Livingston, Christopher (2006-08-16). "Notes on Issue #183". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-16.
Livingston, Christopher. "Concerned, The Credits". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-18.
Livingston, Christopher (2006-01-20). "Notes on Issue #102". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-18.
Livingston, Christopher (2006-04-19). "Notes on Issue #139". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-18.
Livingston, Christopher (2005-12-16). "Issue #089". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2005-09-16). "Issue #053". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2005-06-24). "Notes on Issue #021". Concerned: The Half-Life and Death of Gordon Frohman. Screen Cuisine. Retrieved 2008-08-17.
Livingston, Christopher (2005-06-22). "Notes on Issue #020". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2005-12-14). "Notes on Issue #088". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2005-10-12). "Issue #064". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2005-12-07). "Issue #085". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2006-08-04). "Issue #178". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2006-08-07). "Notes on Issue #179". Concerned: The Half-Life and Death of Gordon Frohman. Retrieved 2008-08-17.
Livingston, Christopher (2006-03-20). "Strip Club 'Concerned...'". GGL.com (Interview). Interviewed by Paul Semel. Archived from the original on 2011-09-28. Retrieved 2008-08-17.