*[https://www.washingtonpost.com/archive/politics/1989/05/31/claude-pepper-crusader-for-elderly-dies/ecbbf216-ac24-445e-a483-fb2030c1d711/ Obituary] via the ''Washington Post
*[https://www.washingtonpost.com/archive/politics/1989/05/31/claude-pepper-crusader-for-elderly-dies/ecbbf216-ac24-445e-a483-fb2030c1d711/ Obituary] via the ''Washington Post
*[http://www.encyclopediaofalabama.org/article/h-1440 Biography] at the ''Encyclopedia of Alabama
*[http://www.encyclopediaofalabama.org/article/h-1440 Biography] at the ''Encyclopedia of Alabama
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*[https://www.nsa.gov/Portals/70/documents/news-features/declassified-documents/friedman-documents/reports-research/FOLDER_377/41785439082444.pdf Plans for B:29 Also Were Ruahed To Russian Agents, Congress Is Told; White, Former Official at Treasury, Is Called A Contact],