The Bog Trotters Band, photographed in Galax, Virginia in 1937.  Band members include Doc Davis on autoharp, Alex Dunford (fiddle), Crockett Ward (fiddle), Wade Ward (banjo), and Fields Ward (guitar).
unknown "CBS photographer"
<a rel="nofollow" class="external text" href="https://www.loc.gov/pictures/resource/cph.3a32967/?co=lomax">The Lomax Collection at the U.S. Library of Congress</a>