I saw this show yesterday at the Worcester Art Museum, even had a nice tour with the curator on the cyanotype. Nice to see this process get some institutional acceptance, it's a terrific show if you are in New England, it's worth a look.
http://www.worcesterart.org/exhibitions/cyanotypes-photographys-blue-period/
http://www.worcesterart.org/exhibitions/cyanotypes-photographys-blue-period/