by Pittsburgh (Pa.). Citizens committee on city plan of Pittsburgh

1921

by Pittsburgh (Pa.). Council

1929

by Allegheny (Pittsburgh, Pa.)

1903

by Sesquicentennial Committee (Pittsburgh, Pa.)

1926

by Pittsburgh (Pa.). Council

1903

by Pittsburgh (Pa.). Transit Commissioner

1917

by Citizens Committee on City Plan of Pittsburgh

1920

by Carnegie Library of Pittsburgh

1925

by Engineers' Society of Western Pennsylvania, Pittsburgh

1920

by Carnegie Library of Pittsburgh

1921

by Citizens Committee on City Plan of Pittsburgh

1920