MSS 0096, Item 0147, John David Herdman, Jr., John Herdman's Day Book, Special Collections, University of Delaware Library, Newark, Delaware.

Center for Historic Architecture and Design, University of Delaware. "Datasets for Newark, Delaware (1800-1930)." University of Delaware Library. Updated August 5, 2005.

Cope, Gilbert, comp. Genealogy of the Sharpless Family, Descended from John and Jane Sharples, Settlers near Chester, Pennsylvania, 1682: Together with some Account of the English Ancestry of the Family, Including the Results of Researches by Henry Fishwick, F. H. S., and the late Joseph Lemuel Chester, LL. D.; and a full Report of the Bi-Centennial Reunion of 1882. Philadelphia: Dando Printing and Publishing Co., 1887.

"Records of the Weslsh Tract Babtist Meeting, Pencader Hundred, New Castle County, Delaware, 1701-1828." In Papers of the Historical Society of Delaware, no. 42. Wilmington, DE: The John M. Rogers Press, 1904.

Handy, Egbert G. and Jas L. Vallandigham, Jr. Newark, Delaware: Past and Present. Newark, DE: Delaware Ledger Print, 1882.

Hessey, Theresa. Newark. Charleston, SC: Arcadia Publishing, 2007.

Nivin, Septimus E. Genealogy of Evans, Nivin, and Allied Families. Philadelphia: International Printing Company, 1930.

Owen, James B. The New Ark Charter Map, 1758. Publisher not identified, 2001.

Runk, J.M. & Co. Biographical and Genealogical History of the State of Delaware. 2 vols. Chambersburg, PA: J.M. Runk & Co., 1899.

Scharf, J. Thomas and assisted by a staff of able assistants. History of Delaware. 1609-1888. 2 vols. Philadelphia: L.J. Richards & Co., 1888.

"To be sold, by private sale."The Pennsylvania Gazette. January 12, 1774.

Whitefield, George. A Continuation of the Reverend Mr. Whitefield's Journal, From his Embarking after the Embargo, To his Arrival at Savannah in Georgia. London: W. Strahan for James Hutton, at the Bible and Sun, without Temple-Bar, 1740.