1921: Samuel Johnson (Nigerian historian) and , A History of the Yorubas from the Earliest Times to the Beginning of the British Protectorate, volume 1, chapter 8, page 121The Calabash drum — ornamental with strings of cowries — is called Sèkèrè.
1984: Claudius Oluyemi Olaniyan, The Composition and Performance Techniques of Dùndún-Sèkèrè Music of South-Western Nigeria, main title (Queen’s University)
