Staten Island Bridge, bird's-eye View rendering dated 1927, by John T. Cronin.

Bird's-eye view, Hendrik Hudson Memorial Bridge. Rendering by Cronin.

Staten Island Bridge. General view rendering by John T. Cronin, 1928.

Staten Island Bridge. General view, rendering by John T. Cronin, 1928.

Staten Island Bridge, rendering by John T. Cronin, 1928.

Staten Island Bridge. Staten Island end, rendering by John T. Cronin, 1928.

Staten Island Bridge, rendering by John T. Cronin, 1927.

Watercolor rendering of Staten Island Bridge by John T. Cronin.

Hudson River Bridge. Bird's-eye view of N.Y. approach by John T. Cronin, rendering 1928.

Bird's-eye view of Riverside Drive approaches, revised rendering.

South Ferry Terminal, Staten Island ferry, bird's-eye view from N.E.

Rendering, bird's-eye view, Ethical Culture School, Fieldstone.

South Ferry Terminal, Staten Island ferry, bird's-eye view from N.E.

Pencil rendering [showing] warehouse, Army base, bird's-eye view.

Hudson River Bridge. Rendering by John T. Cronin.

Hudson River Bridge. Rendering by John T. Cronin.

East Rockaway High School, bird's eye view, rendering by Geo. L. Scheffler.

Army base, crayon rendering dated 1918 of warehouse, bird's-eye view.

Hudson River Bridge, rendering by John T. Cronin, 1928.

Hudson River Bridge. Rendering by John T. Cronin.