Columbia subject headings:
Engineers--Canada--Biography.
Fleming, Sandford, 1827-1915.
Time--Systems and standards--History.
Harvard subject headings:
Engineers--Canada--Biography.
Fleming, Sandford, Sir, 1827-1915.
Time--Systems and standards--History.
Princeton subject headings:
Fleming, Sandford, 1827-1915.
Time--Systems and standards--History.