"The Institute would like to express its gratitude to the two groups of historians who wrote the book. The first wrote both the first and the second drafts of the manuscript, and included Dr. Mbwiliza [and 9 others]. The cecond group edited the manuscript, and it consisted of Dr. J.F. Mbwiliza [and 6 others]." -- (Page vii)
Hier auch später erschienene, unveränderte Nachdrucke (first reprint 1996, second reprint 1998)
Später mit der Verlagsangabe: DUP (1996) LTD., Dar es Salaam, Tanzania
"This book contains two sections. Section One is the revised version of Secondary History Book 1: Development of East African Societies up to the 19th century. Section Two is the revised version of Secondary History Book 2: Development of [other] African Societies up to the 19th century. Both titles werde produced as mimeographs by the Institute of Education in 1978 and 1979 respectively." -- (Introduction)
Hier auch später erschienene, unveränderte Nachdrucke (first reprint 1997, second reprint 1999, third reprint 2000)