Columbia subject headings:
Harvard subject headings:
Atchison, Topeka, and Santa Fe Railroad Company--Employees--History.
Atchison, Topeka, and Santa Fe Railway Company--Employees--History.
Railroads--Employees--Labor unions--United States--History.
Princeton subject headings:
Atchison, Topeka and Santa Fe Railway--Employees--History.
Railroads--Employees--Labor unions--United States--History.