Roll of Emigrants that have been sent to the colony of Liberia, Western Africa, by the American Colonization Society and its auxiliaries, to September, 1843, &c.. web.archive.org [online]. 2008-07-05 [cit. 2021-02-07]. Dostupné v archivu pořízeném z originálu dne 2008-07-05.
google.cz
books.google.cz
LAPSANSKY-WERNER, Emma J.; BACON, Margaret Hope. Back to Africa: Benjamin Coates and the Colonization Movement in America, 1848-1880. [s.l.]: Penn State Press 402 s. Dostupné online. ISBN978-0-271-04571-9. (anglicky)
DUNN, D. Elwood. The Annual Messages of the Presidents of Liberia 1848–2010: State of the Nation Addresses to the National Legislature. [s.l.]: Walter de Gruyter 1927 s. Dostupné online. ISBN978-3-598-44169-1. (anglicky)
STREISSGUTH, Thomas. Liberia in Pictures. [s.l.]: Twenty-First Century Books 88 s. Dostupné online. ISBN978-0-8225-2465-6. (anglicky) Google-Books-ID: P7fA6zZyHc0C.
nytimes.com
DEATH OF A LIBERIAN EX-PRESIDENT. (Published 1881). The New York Times. 1881-03-13. Dostupné online [cit. 2021-02-07]. ISSN0362-4331. (anglicky)
sierra-leone.org
Sierra Leone Web - Sierra Leonean Heroes - Early Freetown. www.sierra-leone.org [online]. [cit. 2021-02-07]. Dostupné online.
web.archive.org
Roll of Emigrants that have been sent to the colony of Liberia, Western Africa, by the American Colonization Society and its auxiliaries, to September, 1843, &c.. web.archive.org [online]. 2008-07-05 [cit. 2021-02-07]. Dostupné v archivu pořízeném z originálu dne 2008-07-05.
worldcat.org
DEATH OF A LIBERIAN EX-PRESIDENT. (Published 1881). The New York Times. 1881-03-13. Dostupné online [cit. 2021-02-07]. ISSN0362-4331. (anglicky)