The Rocky Mountain Letters of Robert Campbell
Originally published in The National Atlas and Tuesday Morning
Mail (Philadelphia), Vol 1, no. 14-19, Nov 1 - Dec 6, 1836
Reprinted in 1955 as The Rocky Mountain letters of Robert Campbell.
Printed for Frederick W. Beinecke.
- Letter I - Lewis' Fork, July 18th,
- Letter II - Green River, Rocky Mountains, July
- Letter III - Fort William, Nov. 16th,
- Letter IV - Fort William, Dec. 8th,
- Letter V - Rocky Mountains, July 12,