Brooklyn Historical Society Library
128 Pierrepont St.
Brookyn, NY 11201 (sorry, I don't have the phone # available)
I believe they are currently closed for renovations.
You might also want to call the Municipal Archives, 31 Chambers St, NY, NY
10007 and ask if they have anything.
The Brooklyn Public Library may be another source --
Grand Army Plaza, Brooklyn, NY 11238