Call of Duty is the best-selling franchise in PlayStation history, Sony says

Call of Duty is the best-selling PlayStation franchise of all time, beating out any other first-party IP or series, Sony has confirmed in marketing info.

Sony's Videogame Strategy Challenged by Microsoft's Deal for Activision - WSJ

Call of Duty: Modern Warfare 3 PLUS MW2 BONUS (Sony PlayStation 3, PS3)

Just how powerful is the Call of Duty franchise?

Battlefield Can't Keep Up With Call of Duty, Says Sony - IGN

Call of Duty developers considering moving away from yearly releases, says report

History of Call of Duty - History-Computer

Microsoft Agrees to Keep 'Call of Duty' on Sony PlayStation - Bloomberg

PlayStation 4 500GB Console - Call of Duty Black Ops III Bundle [Discontinued] : Video Games

Microsoft's Activision acquisition: What franchises does it own now? - Polygon

Xbox and PlayStation: How Sony and Microsoft changed the way we play video games

Modern Warfare 2 is reportedly the fastest selling Call of Duty game ever

Call of Duty Modern Warfare Trilogy - PlayStation 3

The Xbox and PlayStation 'Call of Duty' beef, explained

Hardest game I've ever made: Before Modern Warfare 3, Another Infamous Call of Duty Game Was an Engineering Nightmare Before Being Labeled One of the Worst Games in $31B Franchise