The Nobel Prize in Chemistry 1987. NobelPrize.org [online]. [cit. 2023-07-22]. Dostupné online. (anglicky)
ucla.edu
chem.ucla.edu
HARLAN, Lebo; WOLPERT, Stuart. Donald Cram, Nobel Laureate and UCLA Chemist, Dies at 82. www.chem.ucla.edu [online]. [cit. 2023-07-22]. Dostupné online.