Durham JW. (1942). Eocene and Oligocene coral faunas of Washington. <em>Journal of Paleontology.</em> 16 (1): 84-104.[details]
Hoeksema, B. W.; Cairns, S. (2024). World List of Scleractinia. Madracis stewarti Durham, 1942 †. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits./aphia.php?p=taxdetails&id=1369014 on 2024-05-02
Marine Species Traits editorial board (2024). Marine Species Traits. Madracis stewarti Durham, 1942 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1369014 on 2024-05-02