Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 367
CAST-IRON RAILING AND FACIA THIRD FLOOR CORRIDORMinnesota State Capitol Building, St. Paul, Minn. Cass Gilbert, Architect … ONE OF THE ORNAMENTAL CAST AND WROUGHT IRON RAILS BETWEENSTAIRWAY ARCHES ON FIRST FLOOR. Minnesota State Capitol, St. Paul, Minn. Cass Gilbert, Architect
Building materials
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