Columbia subject headings:
Posters, American--19th century.
Posters, American--20th century.
Railroads--Posters.
Harvard subject headings:
Benton County (Minn.)--History--Pictorial works.
Posters, American--19th century.
Posters, American--20th century.
Railroads--Posters.
Sauk Rapids (Minn.)--History--Pictorial works.
Princeton subject headings:
Benton County (Minn.)--History--Pictorial works.
Posters.
Sauk Rapids (Minn.)--History--Pictorial works.