[Caryatids on the façade of 91 Fifth Avenue.]

[141 Fifth Avenue.]

[Presbyterian Building, 154-158 Fifth Avenue, and Mohawk Building, 160 Fifth Avenue.]

[141 Fifth Avenue.]

[Judge Building, 110 Fifth Avenue.]

[Aeolian Building, 689-691 Fifth Avenue.]

[A.T. Demarest & Co. building, 339 Fifth Avenue.]

[The Gotham Hotel, 700 Fifth Avenue.]

[Stewart & Company Building, 402-404 Fifth Avenue.]

[Western Union Telegraph Building, 186 Fifth Avenue, with the Flatiron Building in the background.]

[Scribner Building, 153-157 Fifth Avenue.]

[Gorham Building, 390 Fifth Avenue.]

[150 Fifth Avenue.]

[150 Fifth Avenue.]

[The Gotham Hotel, 700 Fifth Avenue.]

[Forbes Magazine building, 60 Fifth Avenue.]

[Aeolian Building, 689-691 Fifth Avenue.]

[Sohmer Piano Building, 170 Fifth Avenue.]

[Aeolian Building, 689-691 Fifth Avenue.]

[Philadelphia City Hall.]