File:Stephen Guernsey Cook Ensko 03.jpg

Licensing
Stephen Guernsey Cook Ensko (1896-1969) circa 1950.

Source

 * Richard Arthur Norton (1958- ) archive
 * Stephen Guernsey Cook Ensko (1896-1969) collection via Wendy Woodward

Attribution
Stephen Guernsey Cook Ensko (1896-1969) collection via Wendy Woodward (1958- ) in the Richard Arthur Norton (1958- ) archive