Camerapedia - Camerapedia.org is a free-content encyclopedia of camera information. The goal of the site is to be a repository of information and links to information about all still camera brands and models.

Stephen Gandy's CameraQuest - Site devoted to buy/sell/trade/repair, mostly for classic cameras. There's an extensive list of on-site classic camera profiles with tons of information on the topic.

Yashica Guy - The Yashica Electro 35 and classic rangefinder tech support guide, reviews, tips, tricks and other Yashica camera related resources.