Detailed examples of the studio pottery of Karl Martz and Becky Brown made from the early 1930's until the early 1990's in Nashville and Bloomington, Indiana. http://martzpots.org
Antique Chinese porcelain collector's help pages offers information on porcelain, history, pottery craft, and porcelain marks. http://www.gotheborg.com/
Formed to exchange information, conduct research and educate about Eva Zeisel's work, including her designs for Hall, Red Wing, Castleton, Zsolnay and Kispester. http://www.evazeisel.org/