There's a short piece with slideshow in the New York Times about the current Gisèle Freund show in Berlin, featuring her photographs of postwar Berlin. There are also some interesting early Kodachrome portraits of figures like Henri Matisse and James Joyce, whom we don't see too often in color.
http://www.nytimes.com/2009/01/08/arts/design/08abroad.html
http://www.nytimes.com/2009/01/08/arts/design/08abroad.html