Gertrude Käsebier
Light & Shadow, Portraiture
Gertrude Käsebier at Lee Gallery
http://www.leegallery.com/photographers/95-gertrude-kasebier-american-1852-1934
Gertrude Käsebier in the Collections of the Museum of Fine Arts, Boston
(When you type her last name for the search, make sure to use the ä)
http://www.mfa.org/collections/
Gertrude Käsebier Collection, Smithsonian Institution
http://smithsonianimages.si.edu/siphoto/siphoto.portal?_nfpb=true&_pageLabel=special4