Greenley served as the president of the Architectural League of New York for a quarter of a century, and was one of the featured architects in the book Long Island Country Houses and Their Architects 1860 to 1940 by Robert Mackay and Brendan Gill.
Greenley served as the president of the Architectural League of New York for two and a half decades, and was one of the featured architects in Robert Mackay and Brendan Gill's book Long Island Country Houses and Their Architects 1860 to 1940.