| loc.gov | Library of Congress Prints and Photographs Online Catalog |
| thinker.org | Fine Arts Museums Of San Francisco! |
| rleggat.com | A History of Photography |
| photographymuseum.com | The Main Entrance Of The American Museum Of Photography |
| masters-of-photography.com | Masters of Photography |
| icp.org | International Center of Photography |
| getty.edu | Getty Research Institute |
| eastmanhouse.org | George Eastman House |
| eastman.org | George Eastman House International Museum Of Photography & Film |
| daguerre.org | The Daguerreotype: The Daguerreian Society |
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