on verso, signed by artist lower right in graphite: Linda S. Connor; lower left: Contact print from the / original negative. Lick Observatory Archive, / University of California.; center inverted: King Polar Axis / Aug 10 1955 / Upper; bottom center: August 10, 1955; by unknown hand, top left in graphite: HG 3460
Linda Connor; NGA purchase (through Haines Gallery, San Francisco), 2013.
- The Memory of Time: Contemporary Photographs at the National Gallery of Art, Acquired with the Alfred H. Moses and Fern M. Schad Fund, National Gallery of Art, Washington, 2015, no. 28.