"William Robertson Coe". Planting Fields Website. Planting Fields Foundation. 2009-08-01. Archived from the original on 2005-12-26. Retrieved 2009-08-01.
web.archive.org
"William Robertson Coe". Planting Fields Website. Planting Fields Foundation. 2009-08-01. Archived from the original on 2005-12-26. Retrieved 2009-08-01.