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Mac OS X Leopard - Wikipedia
Mac OS X 10.5 - Technical Specifications - Apple Support
Apple releases Mac OS X 10.5.2 | Macworld
Mac OS X 10.5 Leopard Installer Disk Image - Archive.org
Mac OS X Leopard - BetaWiki
Mac OS X 10.5 | Apple Wiki | Fandom
Mac OS X Leopard (10.5.4) (9E25) : Apple Inc. - Archive.org
Mac OS X (Leopard) 10.5.2 Update Released - MacRumors
Mac OS X 10.5 Leopard review: Mac OS X 10.5 Leopard - CNET
Mac OS X 10.5.2 Combo Update - Apple Support