^Corbett, John D. (2001). "Frank Harold Spedding". Biographical Memoirs. Vol. 80. The National Academies Press. p. 306.
doi:
10.17226/10269.
ISBN978-0-309-08281-5.
^Stacey, M. (1994). "Michael Heidelberger - 29 April 1888-25 June 1991". Biographical Memoirs of Fellows of the Royal Society. 39: 183.
PMID11639904.
^"Cash to artists and scholars". The Spokesman-Review. Spokane, Washington, USA. 1934-04-02. p. 3. Retrieved 2023-08-14 – via newspapers.com.
^Fretter, William B. (1991). "ROBERT BIGHAM BRODE". Biographical Memoirs. Vol. 61. The National Academies Press. p. 28.
doi:
10.17226/2037.
ISBN978-0-309-04746-3.
^"Guggenheim awards made". Fort Worth Star-Telegram. Fort Worth, Texas, USA. 1934-04-02. p. 14. Retrieved 2023-08-14 – via newspapers.com.
^Corbett, John D. (2001). "Frank Harold Spedding". Biographical Memoirs. Vol. 80. The National Academies Press. p. 306.
doi:
10.17226/10269.
ISBN978-0-309-08281-5.
^Stacey, M. (1994). "Michael Heidelberger - 29 April 1888-25 June 1991". Biographical Memoirs of Fellows of the Royal Society. 39: 183.
PMID11639904.
^"Cash to artists and scholars". The Spokesman-Review. Spokane, Washington, USA. 1934-04-02. p. 3. Retrieved 2023-08-14 – via newspapers.com.
^Fretter, William B. (1991). "ROBERT BIGHAM BRODE". Biographical Memoirs. Vol. 61. The National Academies Press. p. 28.
doi:
10.17226/2037.
ISBN978-0-309-04746-3.
^"Guggenheim awards made". Fort Worth Star-Telegram. Fort Worth, Texas, USA. 1934-04-02. p. 14. Retrieved 2023-08-14 – via newspapers.com.