Personally endorsed and recommended links:

Karate Instruction:

Adam Abramson (5-Dan Shihan) is my karate classmate.  He teaches Ken Sei Kan Karate and Kobudo at the Carmichael Recreation and Park District in Sacramento County.

    http://www.carmichaelpark.com/pdf/BROCHURE/Adult%20sportsfitness.pdf

Martial Arts Supplier:

Shureido USA is a martial arts supplier that supplies authentic and traditional karate and kobudo products.  I highly recommend the quality of their products.  My gi and weapons are from Shureido.

    http://www.shureidousa.com/

Other sources of information:

Books:

Allan Dollar wrote the book "Secrets of Uechi Ryu and the Mysteries of Okinawa".

    http://www.alandollar.com/uechi/index.htm

George E. Mattson is considered to be one of the first Americans to bring Uechi Ryu to the United States.  He has written several books.

    http://uechi-ryu.com/j/