John William Allen / Amos Kendall / Benjamin Tappan / Burrell B. Taylor / Edmund W. Hubard / Henry Hubbard / John B. Weller / John Hastings / Levi Lincoln / Levi Woodbury / Lewis Fields Linn / Nathaniel Swett Littlefield / Robert John Walker / Robert Mercer Taliaferro Hunter / Romulus Mitchell Saunders / United States. Congress. House. Committee on Foreign Affairs / United States. Congress. Senate. Committee on Finance / United States. Congress. Senate. Select Committee on the Oregon Territory / United States. Department of State / United States. Department of the Treasury / United States. President (1841-1845 : Tyler). / United States. War Department / William Wallace Irwin | 