William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Stained glass window.

William Collins Whitney house, 972 Fifth Avenue. Urn and stained glass window.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.

William Collins Whitney house [871 5th Avenue] during renovations.