lower right in black ink: Harold Edgerton; all on verso: lower left in graphite: PP46; lower center stamped in red ink: H.E. EDGERTON / M.I.T. 4-405 / CAMBRIDGE-MASS.; lower center: estate stamp with graphite addition: 13.951; lower right in red ink: #45; lower right in graphite: PO.0143 / HE.0309.4 HED95 50
The Estate of Harold Edgerton; (Fraenkel Gallery, San Francisco, CA); purchased with donated funds by NGA, 1999.
- Seeing the Unseen: Dr. Harold E. Edgerton and the Wonders of Strobe Alley. Rochester, 1994: n.p.
- Dust Breeding: Photographs, Sculpture & Film. Exh. cat. Fraenkel Gallery. San Francisco, 1998: 7.