Wimmelbücker (Ludger), Mtoro bin Mwinyi Bakari (c.1869-1927) Swahili Lecturer and Author in Germany. Dar-es-Salam (Tanzanie) : Mkuki na Nyota Publishers, 2009, 140 p. – ISBN 978-9987-08-008-3 - Carré, Nathalie (Études littéraires africaines)