He is the author of a rhymed alphabetical treatise in Hebrew on the Hebrew calendar, printed in Kerem Ḥemed. This poem is interesting for the light it throws on the history of the Jewish calendar as well as on the history of medieval Hebrew poetry. A commentary on Alnaharvanai's verses was later written by Saadia ben Yehuda ben Evyatar in Egypt.
This article incorporates text from a publication now in the public domain: Kayserling, Meyer (1901–1906). "Alnaharwanai, Jose". In Singer, Isidore; et al. (eds.). The Jewish Encyclopedia. New York: Funk & Wagnalls.
- "ארבעה שערים דמ׳ יוסי אלנהרואנאי". Sefer Kerem Ḥemed. Vol. 5. Berlin. 1856.
- Steinschneider, Moritz (1857). Jewish Literature from the Eighth to the Eighteenth Century: With an Introduction on Talmud and Midrash. Translated by Spottiswoode, William. Longman, Brown, Green, Longmans, & Roberts. pp. 182.