You're right - a difficult thing to find on the web. But I did find this, which might be helpful to you.
http://www.pipeline.com/~trob/decomark.htm [Bronx] Park Plaza Apartments, 1005 Jerome Avenue, Architects: Horace Ginsberg and Marvin Fine, 1929-31
And the book below is bound to have some info on this building.
Bronx Art Deco Architecture: An Exposition. Donald Sultan and Brian Danforth. New York: Hunter College, 1976.
Erik Mattila