Letter from Wm. H. Dall to George Mercer Dawson, written from Washington, D.C..

Letter from Spencer F. Baird to Sterry T. Hunt, written from Washington, D.C.

Letter from Chas. D. Walcott to John William Dawson, written from Washington, D.C..

Letter from Spencer F. Baird to John William Dawson, written from Washington, D.C.

Letter from Spencer F. Baird to John William Dawson, written from Washington, D.C.

Letter from C.D. Walcott to John William Dawson, written from Washington, D.C.

Letter from J.W. Spencer to John William Dawson, written from Washington, D.C..

Letter from Whitman Cross to John William Dawson, written from Washington DC.

Letter from C. Chiniquy to John William Dawson, written from Washington, D.C..