*[https://youtu.be/ZntnK09m1yU Amstrad PC demonstration GEM 16 Colors CGA graphics]
*[https://www.seasip.info/VintagePC/cga.html Color Graphics Adapter: Notes]
*[https://youtu.be/xNsK_F4JlG4 Meet the "Super CGA" Cards] by [[The 8-Bit Guy]]
*[https://youtu.be/niKblgZupOc CGA Graphics - Not as bad as you thought] by [[The 8-Bit Guy]]
*[https://int10h.org/blog/2015/04/cga-in-1024-colors-new-mode-illustrated/ CGA in 1024 colors: the illustrated guide]