Columbia subject headings:
Archibald Stevens Alexander Library--Catalogs.
Folsom Library--Catalogs.
Roebling, John Augustus, 1806-1869--Bibliography--Catalogs.
Roebling, Washington Augustus, 1837-1926--Bibliography--Catalogs.
Harvard subject headings:
Archibald Stevens Alexander Library--Catalogs.
Folsom Library--Catalogs.
Roebling, John Augustus, 1806-1869--Bibliography--Catalogs.
Roebling, Washington Augustus, 1837-1926--Bibliography--Catalogs.
Princeton subject headings: