Columbia subject headings:
Baker, Benjamin, Sir, 1840-1907.
Forth Bridge (South Queensferry, Scotland : Railroad bridge)--Pictorial works.
Fowler, John, Sir, 1817-1898.
Railroad bridges--Scotland--South Queensferry--Pictorial works.
Harvard subject headings:
Baker, Benjamin, Sir, 1840-1907.
Forth Bridge (South Queensferry, Scotland : Railroad bridge)--Pictorial works.
Fowler, John, Sir, 1817-1898
Railroad bridges--Scotland--South Queensferry--History.
Railroad bridges--Scotland--South Queensferry--Pictorial works.
Princeton subject headings:
Forth Bridge (South Queensferry, Scotland : Railroad bridge)
Railroad bridges--Scotland--Design and construction.