1. Letter from Alexander Rich to Rosalind Franklin Creator: Rich, AlexanderNational Institutes of Health (U.S.) Date: 24 March 1955 Genre: Letters (correspondence)
2. Telegram from Alexander Rich to Rosalind Franklin Creator: Rich, AlexanderNational Institutes of Health (U.S.) Date: 21 March 1955 Genre: Telegrams
3. Letter from Alexander Rich to Rosalind Franklin Creator: Rich, AlexanderNational Institutes of Health (U.S.) Date: 22 February 1955 Genre: Letters (correspondence)
4. Letter from Alexander Rich to Rosalind Franklin Creator: Rich, AlexanderNational Institutes of Health (U.S.) Date: 27 May 1955 Genre: Letters (correspondence)