250 Park Avenue. Postum Building. Interior, 16th floor reception room

250 Park Avenue. Postum Building. Entrance

250 Park Avenue. Postum Building

250 Park Avenue. Postum Building. Entrance

250 Park Avenue. Postum Building. Interior, main hall

250 Park Avenue. Postum Building

[Postum Building, 250 Park Avenue.]

250 Park Avenue. Postum Building. Interior, detail of index board in hall

250 Park Avenue. Postum Building. Entrance

The Stuyvesant Corporation. Interior, private office

East 46th Street and Park Avenue, northwest corner. Postum Building

[Interior, private office.]

470 Park Avenue South. Warren Webster Company. Interior, Mr. Treadwell's office

[Interior, private office of A. G. Paine.]

[Interior, private office.]

608 Fifth Avenue. Goelet Building. Interior, Mr. Goelet's private office

[Interior, private office.]

[Interior, private office.]

60 East 42nd Street. Lincoln Building. Hooker Electrochemical Company. Interior, office

[East 49th Street. Douglas Elliman and Company. Interior, private office of Douglas Elliman.]