Amy Nathan Wright. “The 1968 Poor People's Campaign: Marks, Mississippi and the Mule Train”. pp. 109–143 in Emilye Crosby, ed (2011). Civil Rights History from the Ground Up: Local Struggles, a National Movement. University of Georgia Press. ISBN978-0-8203-3865-1at google books
"FEATURED WRITER OF THE MONTH Interview with: WILLIAM FERRIS." Oxford American. December 7, 2009. Retrieved on September 21, 2010. "While many of the communities in which I worked have changed dramatically—Parchman's Camp B buildings in Lambert, Mississippi, have been leveled to the ground,[...]"
state.ms.us
mdoc.state.ms.us
"COMMUNITY WORK CENTERS." Mississippi Department of Corrections. Retrieved on September 23, 2010.