^'Mutira Mission: An African Church Comes of Age in Kirinyaga, Kenya, 1912-2012' Gathogo, J. p123:
Limuru; African Books Collective; 2011
ISBN978-9966-1506-8-4
^'The Living Church, Volume 217' p9: New York; Morehouse-Gorham Company; 1998
^'Mutira Mission: An African Church Comes of Age in Kirinyaga, Kenya, 1912-2012' Gathogo, J. p123:
Limuru; African Books Collective; 2011
ISBN978-9966-1506-8-4
^'The Living Church, Volume 217' p9: New York; Morehouse-Gorham Company; 1998