Udenfriend, S. (1970). "Nobel prize: 3 share 1970 award for medical research. 1. Von Euler and Axelrod". Science. 170 (3956): 422–423. doi:10.1126/science.170.3956.422. PMID4394111.
Shampo, M. A.; Kyle, R. A. (1994). "Julius Axelrod--American biochemist and Nobel Prize winner". Mayo Clinic Proceedings. 69 (2): 136. doi:10.1016/s0025-6196(12)61039-8. PMID8309264.
Udenfriend, S. (1970). "Nobel prize: 3 share 1970 award for medical research. 1. Von Euler and Axelrod". Science. 170 (3956): 422–423. doi:10.1126/science.170.3956.422. PMID4394111.
Shafrir, E. (1994). "Julius Axelrod, Bernard Katz and Ulf von Euler--Nobel Prize winners for the discovery of mechanisms of nerve signal transmission". Israel Journal of Medical Sciences. 30 (11): 869. PMID7982784.
Shampo, M. A.; Kyle, R. A. (1994). "Julius Axelrod--American biochemist and Nobel Prize winner". Mayo Clinic Proceedings. 69 (2): 136. doi:10.1016/s0025-6196(12)61039-8. PMID8309264.