E.A. Roy

Permanent Forest Reference Plot System: Pelham Bay Park and Van Cortlandt Park, Bronx, New York. Volume 1. Protocol for Establishing Permanent Forest Reference Plots
McDonnell, M.J., J. L. Rudnicky, J.M. Koch, and E.A. Roy. 1990. “Permanent Forest Reference Plot System: Pelham Bay Park and Van Cortlandt Park, Bronx, New York. Volume 1. Protocol for Establishing Permanent Forest Reference Plots”. Rep. to New York City Dep. Parks & Recrea.
Permanent Forest Reference Plot System: Pelham Bay Park and Van Cortlandt Park, Bronx, New York. Volume 3. Protocol for Establishing Permanent Forest Reference Plots
McDonnell, M.J., J. L. Rudnicky, J.M. Koch, and E.A. Roy. 1990. “Permanent Forest Reference Plot System: Pelham Bay Park and Van Cortlandt Park, Bronx, New York. Volume 3. Protocol for Establishing Permanent Forest Reference Plots”. Rep. to New York City Dep. Parks & Recrea.
Restoration and management of a hardwood-hemlock forest in New York City
McDonnell, M.J., and E.A. Roy. 1989. “Restoration and Management of a Hardwood-Hemlock Forest in New York City”. Restor. Manage. Notes 7: 36-37.