Letter from E.D. Cope to John William Dawson, written from Phila.

Letter from B. J. Harrington to Anna Dawson, written at Philadelphia. Written on Geological Survey of Canada letterhead.

Letter from J. Thomas to John William Dawson, written from Philadelphia.

Letter from H.C. Trumbull to John William Dawson, written from Philadelphia.

Letter from H.C. Trumbull to John William Dawson, written from Philadelphia.

Letter from Rankine Dawson to John William Dawson, written from U.S. Government Building.

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

Letter from G.D. Boardman to John William Dawson, written from Philadelphia.

Letter from E.D. Cope to John William Dawson, written from Philadelphia.