ENGEL, Michael S. The bibliography of and taxa proposed by Charles D. Michener. Journal of Melittology, [S. l.], n. 54, p. 1–109, 2015. DOI: 10.17161/jom.v0i54.5006. Disponível em: https://journals.ku.edu/melittology/article/view/5006. Acesso em: 15 jan. 2025.