4055 Ransom Road, Clarence, National Register nomination, 2009
Clinton Brown Company
Rider-Hopkins Farm and Olmstead Camp, Sardinia, NY, National Register Nomination, 1998
Olaf Shelgren
Hull Family Home & Farmstead Strategic Plan, 2011-2021
Hull House Foundation
Reconnaissance Level Survey of Barns and Agricultural Structures: Town of Clarence, 2014
A study of historic farm sites
Rural architecture : being a complete description of farm houses, cottages, and out buildings ...1852
Lewis Allen, uncle of Grover Cleveland