a. 1870 census of USA. Delaware. New Castle. Digital images. FamilySearch.org.
b. Forest Presbyterian Church Cemetary (Middletown, New Castle, Delaware, USA). Grave markers.
c. Delaware, USA. DEATH Certificates.
1. Title 1870 Census of USA, Delaware, New Castle; Online Imagesa; Page Middletown - Page 8; Text https://familysearch.org/pal:/MM9.3.1/TH-266-11606-47037-30; [Source Record]
2. Title Forest Presbyterian Church Cemetary (Middletown, New Castle, Delaware, USA), Grave Markersb; Page Green, Alfred (1837-1916); Text http://image2.findagrave.com/photos/2014/222/134175696_1407752446.jpg; [Source Record]
3. Title Delaware, USA, DEATH Certificatesc; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Green, Alfred (1837-1916); Text https://familysearch.org/pal:/MM9.3.1/TH-266-11559-51727-86; [Source Record]
4. Title Delaware, USA, DEATH Certificatesc; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Green, William H (1863-1935); Text https://familysearch.org/pal:/MM9.3.1/TH-266-11783-47910-66; [Source Record]