[Group of unidentified men.]
[Group of men in front of a house.]
[Men in a workshop.]
[Group of men in front of a 5th Avenue Line street car.]
[Workers in a Brooklyn Rapid Transit machine shop.]
Original Exhibits of Rapid Transit Subway Construction Company, Plaintiff [Men at ground-breaking ceremony; subway construction.]
[Mayor Jimmy Walker with a group of men.]
[Group portrait of unidentified men.]
[Group of three men.]
[Group of men.]
[Workers in a Brooklyn Rapid Transit shop.]
[Machine in a Brooklyn Rapid Transit machine shop.]
[Machinery in a Brooklyn Rapid Transit machine shop.]
Columbia University [Group of men.]
[Group of men standing in front of the Broadway El near the Williamsburg Bridge.]
[Workers in a Brooklyn Rapid Transit machinery shop.]