Colonial Africa in official statistics, 1821-1953 : African blue books, 1821-1953
Wakefield, U.K. : Microform Academic Publishers.
1 online resource
Series: Government publications relating to African countries prior to independence.
https://searchworks.stanford.edu/view/12265727
Annual Blue Books submitted by British colonial administrators in Africa to the British Colonial Office.

African official statistical serials on microfiche
Cambridge, Eng. : Chadwyck-Healey ; Teaneck, N.J. : Somerset House, 1981- Physical Description: microfiches
Call numbers vary for each title. 
Held by Stanford Libraries and by the Center for Research Libraries.

Stanford has print versions of some titles. Our holdings may not be as complete as the microfiche versions.
Examples of Stanford print holdings:

Central African Republic. Service de la statistique et de la conjoncture.
Bulletin mensuel de statistique.  Bangui.  1957-1975, 1979

French Equatorial Africa. Service de la statistique générale.
Annuaire statistiques de l'Afrique equatoriale frana̧ise
SAL3 Library has: 1936/1950