The Phoenix Art Museum has a lovely Charles James, go figure! Click on the image to read more about this astounding dress (including its heavily-engineered underpinnings).
I had no plans to go to Phoenix, but I think now, if it ever comes up, the the Phoenix Art Museum is going to be the first stop … from their site: "The Collection emphasizes major American designers of the 20th century including Adrian, Norell, Galanos, and Claire McCardell; and European Designers such as Balenciaga, Chanel, Dior, and Yves Saint Laurent." Like, whoa. (Although, as a point of pure, unadulterated quibbling, I think I would have put a comma after 'century' and done something different with that semicolon.)