Balisong.net
   Information for collectors and hobbyists about the Balisong, known as the Filipino butterfly knife. History and techniques included.
   http://www.balisong.net/

British Knife Collectors Guild
   Offers sale of sporting knives and collectible cutlery. Includes knife guide, catalog, and related links.
   http://www.bkcg.co.uk/

Bryan Sander's Pocket Knives Guide
   Learn about collectable folders. Includes descriptions, illustrations, and tips for collectors.
   http://www.allaboutpocketknives.com

Busse Museum
   Contains past and present models of Busse Knives.
   http://homepage.mac.com/zombiekiller/badmojo/index.html

Case Classics Club
   History and photos regarding the 36 patterns of the "Case Classic Knives".
   http://caseclassicsclub.com

Guild Knives
   From the Don Guild Collection. Collector offers some of his current pieces for sale.
   http://www.guildknives.com

IQKnives
   Investment grade knives, includes pieces by Loveless, Emerson, Steinau, Walker.
   http://www.iqknives.com

Khukuri House
   For handmade genuine Gurkha knives and original Nepalese khukuris.
   http://www.khukurihouseonline.com

Robert's Spyderco collection
   Features some old and discontinued models, reviews, and some Spyderco pins.
   http://members.chello.at/robert.fruehauf/spyderco/

The Balisong Times
   A wiki dedicated to information, news and reviews about Blisong knives, production and custom, past and present.
   http://www.balisongtimes.com/