Signature: Mansell collection stamp on verso
Inscription: Each titled on verso "Ein Trofen Milch" and numbered I, II, III
Notations of exposure 1/100,000 second.
Various stamped and inscribed details on verso
(sold, Sotheby's Belgravia, Lot 358, June 28, 1978); Gilman Paper Company Collection, New York
The Metropolitan Museum of Art. "As It Happened: Photographs from the Gilman Paper Company Collection," May 7, 2002–August 25, 2002.
Apraxine, Pierre. Photographs from the Collection of the Gilman Paper Company. Reeds Springs, Mo.: White Oak Press, 1985. pl. 185.