Recumbent Dealers:
Utah Trikes - Large inventory of trikes and they have a print catalog available.
Hostel Shoppe - They carry a wide range of recumbents and put out a nice catalog..
Angletech - Recumbents and accessories with on-line shopping.
Trike related:
Bent Rider Online Online magazine with trike reviews and discussion groups.
Recumbent Journal - News from the world of recumbents.
Kiw-E-trike - Cliff Ashford's Blog on converting a Sidewinder to an e-trike.
Trike Asylum - Steve Greene's blog. Read about his Death Valley tour.
Cycling Experiences - A very informative blog by Jim Artis.
Cyclesimplex - Bicycle racks for two and three wheeled recumbents.
International Human powered Vehicle Association (IHPVA) Source guide and discussion groups.
Recumbents.com Source guide and lots of other stuff.
Rick Horwitz's ThunderBolt trike Plans
Unusual Human Powered Vehicles Huge listing of HPV related stuff!
Comparison of 7 different Australian trikes
WorldLingo Translator Easy translation of those foreign language trike pages.