John C. Sheehan, Kenneth R. Henery-Logan: The Totalsynthesis of Penicillin V. In: Journal of the American Chemical Society. 79, 1957, S. 1262–1263, doi:10.1021/ja01562a063.
John C. Sheehan, Emmett L. Buhle, Elias J. Corey, Gerald D. Laubach, James J. Ryan: THE TOTAL SYNTHESIS OF A 5-PHENYL PENICILLIN: METHYL 5-PHENYL-(2-CARBOMETHOXYETHYL)-PENICILLINATE. In: Journal of the American Chemical Society. 72, 1950, S. 3828–3829, doi:10.1021/ja01164a534.