MobyGames - Offers cheats and hints, cover art, reviews, and technical specifications. - http://www.mobygames.com/game/libero-grande
The Killer List of Videogames: Libero Grande - Information on the arcade version, including numbers in private collections. - http://www.klov.com/game_detail.php?letter=L&game_id=8426
Wikipedia - Encyclopedia article describing the game. - http://en.wikipedia.org/wiki/Libero_Grande
Emulation Status: Libero Grande - Information on emulators for the arcade version. - http://emustatus.rainemu.com/games/lgrande.htm
GameSpot - Includes review, screen shots, and cheat codes. [PlayStation 2] - http://www.gamespot.com/ps/sports/liberogrande/