[Unidentified apartment buildings.]

[Row of unidentified brownstone buildings.]

[Unidentified building.]

[Unidentified building.]

[Unidentified mansion or clubhouse.]

[Construction of unidentified building.]

[Unidentified buildings.]

[Colonnade Building.]

[Unidentified building.]

[Unidentified building at East 61st Street and Madison Avenue.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified building.]

[Unidentified apartment buildings.]

[Unidentified apartment building.]

[Unidentified building complex.]

[Unidentified brownstone building.]