Columbia subject headings:
Harvard subject headings:
Becknell, William, 1787 or 1788-1856.
Merchants--Southwest, New--Biography.
Pioneers--Southwest, New--Biography
Santa Fe National Historic Trail.
Southwest, New--Biography
Southwest, New--History--To 1848.
Princeton subject headings:
Becknell, William, 1787 or 1788-1856.
Merchants--Southwest, New--Biography.
Pioneers--Southwest, New--Biography.
Santa Fe National Historic Trail.
Southwest, New--Biography.
Southwest, New--History--To 1848.