[Construction of the Heckscher Building.]

[Construction of the Heckscher Building.]

[Construction of the Heckscher Building.]

[Construction of the Heckscher Building.]

[Construction of Heckscher Building.]

[Construction of Heckscher Building.]

[Heckscher Building.]

[Heckscher Building.]

[Heckscher Building.]

[The Heckscher Building.]

[Heckscher Building.]

[Heckscher Building.]

[Drawing of the Heckscher Building.]

[Building construction.]

[Heckscher Building.]

The Heckscher Building. Street view.

57th Street and Fifth Avenue, southwest corner. Heckscher Building

[Cornelius Vanderbilt House and Heckscher Building.]

Park Avenue [Construction of the Seagram Building.]

Park Avenue [Construction of the Seagram Building.]