Letter from A.F. Elliot to John William Dawson, written from Minneapolis.

Letter from A.H. Winchell to John William Dawson, written from Minneapolis, Minn..

Letter from A.H. Winchell to John William Dawson, written from Minneapolis.

Letter from Warren Upham to John William Dawson, written from Minneapolis.

Letter from Rankine Dawson to John William Dawson, written from Minneapolis.

Letter to George from N. H. Winchell, Department of Geology and Mineralogy, University of Minnesota.