Here is a small list of building we know where design by Halsey, McCormack _and_ Helmer in New York City. List may be incomplete.
More buildings built by Halsey, McCormack & Helmer on Histograd
On list
On map
Street view
New York Map
1 items in this list for New York City, viewed 82 times
*This is the only one building form Halsey, McCormack & Helmer we have in our database, maybe there is other building made by the same architect
New York Architecture
Any Manhattan adress on a 1885 map
