A. J. Rocke «Hypothesis and Experiment in the Early Development of Kekule's Benzene Theory». Annals of Science, 42, 4, 1985, pàg. 355–81. doi:10.1080/00033798500200411.
R. Kaiser «Bicarburet of Hydrogen. Reappraisal of the Discovery of Benzene in 1825 with the Analytical Methods of 1968». Angewandte Chemie International Edition in English, 7, 5, 1968, pàg. 345–350. doi:10.1002/anie.196803451.