Those are sourced from the Yale University Library microfilm collection of the Gakaara wa Wanjai papers . { { cite web | url = http : / / www . library . african . cam . ac . uk / Collections / archives | title = Archives and special collections
22.
Works of Gakaara wa Wanjau is archived at the Center of African Studies Library, University of Cambridge which was sourced from the Yale University Library microfilm collection of the Gakaara wa Wanjai papers . { { refn | name = microfilm | group = note | 6 microfilm reels are archived at the Centre of African Studies at the University of Cambridge.