Columbia subject headings:
Oregon National Historic Trail--Description and travel--Anecdotes.
Winter, Dylan--Anecdotes.
Winter, Dylan--Travel--Oregon National Historic Trail.
Harvard subject headings:
Oregon National Historic Trail--Description and travel.
United States--Description and travel.
United States--Social life and customs.
Winter, Dylan.
Princeton subject headings:
Oregon National Historic Trail--Description and travel--Anecdotes.
Winter, Dylan--Anecdotes.
Winter, Dylan--Travel--Oregon National Historic Trail.