Channel Catalog for Sub-section 52:
- (Emerald Group Publishing Limited: Structural Survey: Table of Contents),
- (AMS Bookstore New Releases),
- (openPR.com - Newsfeed),
- (Actu montagne : ski-neige-montagne.fr),
- (biz.fredericksburg.com - Guide Flag Stores),
- (Recent Edits for TuneWiki on CrunchBase),
- (Computer Manufacturing),
- (eHow - Skin Conditions How To's)