Uriel Weinreich (1977), “Africa”, in Modern English-Yiddish, Yiddish-English Dictionary, New York: Schocken Books, page 9
Justus van de Kamp et al., “אַפֿריקע” in Jiddisch-Nederlands Woordenboek [Yiddish-Dutch Dictionary], Amsterdam: Stichting Jiddische Lexicografie, 1987-2023 (ongoing). [1].