a. 1900 census of USA. Delaware. Sussex. Digital images. FamilySearch.org.
b. Delaware, USA. DEATH Certificates.
c. Bethel Methodist Cemetary (Lewis, Sussex, Delaware, USA). Grave markers.
d. 1940 census of USA. Delaware. Sussex. Digital images. FamilySearch.org.
1. Title 1900 Census of USA, Delaware, Sussex; Online Imagesa; Page Lewes / Rehobeth - Page 1b; Text https://familysearch.org/ark:/61903/3:1:S3HT-DCS4-C4K; [Source Record]
2. Title Delaware, USA, DEATH Certificatesb; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Coverdale, David C Sr (1848-1934); Text https://familysearch.org/ark:/61903/3:1:S3HT-DYWS-1Y4; [Source Record]
3. Title Bethel Methodist Cemetary (Lewis, Sussex, Delaware, USA), Grave Markersc; Page Coverdale, David (1848-1934); Text http://image2.findagrave.com/photos/2013/132/108797914_136849260646.jpg; [Source Record]
4. Title 1940 Census of USA, Delaware, Sussex; Online Imagesd; Page Lewes - Page 61a; Text https://familysearch.org/ark:/61903/3:1:3QS7-89MR-M9XG; [Source Record]
5. Title Delaware, USA, DEATH Certificatesb; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Coverdale, George Washington (1870-1939); Text https://familysearch.org/ark:/61903/3:1:S3HT-DTS7-KJD; [Source Record]