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^ Witcover (2010), p. 59.

^ Harriman, Jane (December 31, 1969). "Joe Biden: Hope for Democratic Party in '72?". Newspapers.com. p. 3. Archived from the original on August 2, 2020. Retrieved May 1, 2019.

^ Delaware Republican State Headquarters (1970). "Republican Information Center: 1970 List of Candidates" (PDF). University of Delaware Library Institutional Repository. Newark, DE: University of Delaware. p. 11. Archived (PDF) from the original on January 15, 2021. Retrieved January 13, 2021.

^ "County Ponders Housing Code". The News Journal. Wilmington, DE. October 1, 1969. p. 2. Archived from the original on January 15, 2021. Retrieved January 24, 2021 – via Newspapers.com.

^ Lockman, Norm (December 20, 1969). "New Housing Code Favored for County". The News Journal. Wilmington, DE. p. 2. Archived from the original on January 15, 2021. Retrieved January 24, 2021 – via Newspapers.com.

^ "County Council to Take Oath". The News Journal. Wilmington, DE. January 2, 1971. p. 4. Archived from the original on January 15, 2021. 