Segal, Ronald (1995). The Black Diaspora: Five Centuries of the Black Experience Outside Africa. New York: Farrar, Straus and Giroux. p. 4. ISBN978-0-374-11396-4. (requiere registro). «It is now estimated that 11,863,000 slaves were shipped across the Atlantic. [Note in original: Paul E. Lovejoy, "The Impact of the Atlantic Slave Trade on Africa: A Review of the Literature," in Journal of African History 30 (1989), p. 368.] ... It is widely conceded that further revisions are more likely to be upward than downward.»
Koch, Alexander; Brierley, Chris; Maslin, Mark M.; Lewis, Simon L. (2019). «Earth system impacts of the European arrival and Great Dying in the Americas after 1492». Quaternary Science Reviews207: 13-36. Bibcode:2019QSRv..207...13K. doi:10.1016/j.quascirev.2018.12.004.
Koch, Alexander; Brierley, Chris; Maslin, Mark M.; Lewis, Simon L. (2019). «Earth system impacts of the European arrival and Great Dying in the Americas after 1492». Quaternary Science Reviews207: 13-36. Bibcode:2019QSRv..207...13K. doi:10.1016/j.quascirev.2018.12.004.
icj-cij.org
«Wayback Machine». web.archive.org. Archivado desde el original el 11 de mayo de 2011. Consultado el 31 de marzo de 2024.
Threats, Institute of Medicine (US) Forum on Microbial; Knobler, Stacey L.; Mack, Alison; Mahmoud, Adel; Lemon, Stanley M. (2005), «The Story of Influenza», The Threat of Pandemic Influenza: Are We Ready? Workshop Summary(en inglés) (National Academies Press (US)), consultado el 29 de mayo de 2024.