Kenneth Schuyler Lynn: Hemingway. Harvard University Press, 1987, s. 518–519. ISBN 0-674-38732-5. [dostęp 2024-10-14].
doi.org
Linda Patterson Miller. From the African Book to Under Kilimanjaro. „The Hemingway Review”. 25 (2), s. 78–80, 2006. The Hemingway Society. DOI: 10.1353/hem.2006.0033. ISSN1548-4815. (ang.).
Linda Patterson Miller. From the African Book to Under Kilimanjaro. „The Hemingway Review”. 25 (2), s. 78–80, 2006. The Hemingway Society. DOI: 10.1353/hem.2006.0033. ISSN1548-4815. (ang.).