Talk:Springettsbury
[http://www.nga.gov/content/ngaweb/research/casva/research-projects.html A Project of the National Gallery of Art, Center for Advanced Study in the Visual Arts ]
Further research-- HSP: Thomas Penn to Richard Hockley, Sept. 4, 1744 on deer park Thomas Penn to Richard Hockley, April 16, 1742 on quincunx limes Thomas Penn to Richard Hockley, Jan. 10, 1739/ RH to TP, April 10, 1740 on Warders Richard Hockley to Thomas Penn, May 27, 1742; June 20, 1743, Dec. 27, 1744, March 5, 1745