カレンジン語
英語:
Baroja, Tomás Herreros (1989). Analytical Grammar of the Pokot Language: Kitapu ngala pökot nyo kikir. Bibliotheca Africana, 3. Trieste: Universitá di Trieste. NCID BB22509760
Creider, Chet A.; Creider, Jane Tapsubei (1989). A Grammar of Nandi. Hamburg: Helmut Buske Verlag. ISBN 3-87118-944-8. NCID BA17169520. https://books.google.co.jp/books/about/A_grammar_of_Nandi.html?id=03oOAAAAYAAJ&redir_esc=y
Creider, Jane Tapsubei; Creider, Chet A. (2001). A Dictionary of the Nandi Language. Köln: Rüdiger Köppe Verlag. ISBN 3-89645-134-0. NCID BA62695608. https://archive.org/details/dictionaryofnand00crei
Crazzolara, J. P. (1978). A Study of the Pokot (Suk) Language. Bologna: Editrice Missionaria Italiana.