The artists' files of William Henry Holmes have been fully digitized and are available to view online:
https://www.aaa.si.edu/collections/william-henry-holmes-artists-files-7791
William Henry Holmes (1846-1933) was a curator, museum director, artist, scientific illustrator, archaeologist, geologist, and anthropologist. Holmes served as Curator of the National Gallery of Art from 1907 to 1920 (now known as the National Museum of American Art) and its director from 1920-1932. The artists' files consist mostly of correspondence, but also include a few photographs, artwork in the form of sketches, and printed material.
Image: Watercolor sketch by William Henry Holmes of Max Weyl at work on Analatsan Island, circa 1880







