"Closeups of Henry M. JAckson, U.S. Senator (D.-Wash.), chairman of the Senate interior and insular affairs committee." [sic]
Unknown, dedicated to Bettman Archive, presumably U.S. Senate or photographic company working with Senate (e.g. Congressional Quarterly)
22 April, 1966
Bettman Archive/515517042/u1513578.jpg<sup id="cite_ref-1" class="reference"><a href="#cite_note-1">[1]</a></sup>