John Burroughs 8 page letter in another hand but autographed by John Burroughs

John Burroughs (1837-1921), Naturalist and Author. 8 page letter in another hand but autographed by John Burroughs. On S.S. Mongolia Pacific Mail Co. stationery dated 1909. Content deals with his travels from California to Honolulu, etc. Includes packet boat Honolulu postmarked envelope. All in Excellent Condition!