lower left plate printed in black ink: CA.P. / -"Loading UP"- 2.; lower right plate printed in black ink: "81"; lower left in graphite: Charles A. Platt.
Mrs. Alice F. Williams, Washington, DC; gift to the Corcoran Gallery of Art, Washington, DC, 1958; acquired 2015 by the National Gallery of Art
- Rice, Richard A. A Descriptive Catalogue of the Etched Works of Charles A. Platt . New York: The De Vinnes, 1889. pp. 8-9, no. 6.