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

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

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

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

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

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

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