(1988). Original land titles in Delaware commonly known as the Duke of York record: Being an authorized transcript from the official archives of the State of Delaware, and comprising the letters patent, permits, commissions, surveys, plats, and confirmations by the Duke of York and other high officials, from 1646 to 1679 : printed by order of the General Assembly : with revised index. Westminister, Md.: Family Line Publications.

Original Land Titles in Delaware Commonly Known As the Duke of York Record: Being an Authorized Transcript From the Official Archives of the State of Delaware, and Comprising the Letters Patent, Permits, Commissions, Surveys, Plats, and Confirmations By the Duke of York and Other High Officials, From 1646 to 1679 : Printed By Order of the General Assembly : With Revised Index. Westminister, Md.: Family Line Publications, 1988.

Original Land Titles in Delaware Commonly Known As the Duke of York Record: Being an Authorized Transcript From the Official Archives of the State of Delaware, and Comprising the Letters Patent, Permits, Commissions, Surveys, Plats, and Confirmations By the Duke of York and Other High Officials, From 1646 to 1679 : Printed By Order of the General Assembly : With Revised Index. Westminister, Md.: Family Line Publications, 1988.