Contra (video game) - Wikipedia

Contra: Operation Galuga - Konami

Contra Cabinet [SLQ Wiki]

Contra (video game) - Wikipedia

Video Game Classics: Contra

Contra III: The Alien Wars, Game Over Dex Wiki

Terminator, Contra Wiki

Contra Advance: The Alien Wars EX, Contra Wiki

File:Contra - NES - Waterfall.png - Video Game Music Preservation Foundation Wiki

Contra Force - Wikipedia