Thank you letter to Denis Gale from the Smithsonian Digital Collections of Colorado (Colorado State University) 2026 Open access Read full text Cite Bookmark Add to export Share Authors: University of Colorado Boulder DOI: 10.60807/2x6r4928g956 Cited by: 0 Publication details Journal / source Digital Collections of Colorado (Colorado State University) Publication date 24 February 2026 Language EN Reference Details Loading... Open full details