Kilburn Brothers, active 1865 - 1909
c. 1870
Patent Office Building Courtyard, Washington, D. C.
New Wing, Patent Office, Washington, D.C.
Charles Robert Woods
Patent Office, Washington D.C.
St. Paul
Corridor in U.S. Patent-Office
St. James (Jacob)
Giles Alexander Smith
St. Thaddeus
New Wing, Patent Office