1. Silas Shipula and James Ludoke, interview by author, Shigala, Magu, Tanzania, April 17, 2012. Also, "funeral document" (Memorial Service Program), produced by Yohana Zebedayo's family, dated April 4, 2011. Silas Shipula and James Ludoke stated that he was born in Bulima, Nassa. These two men were age-mates, friends since childhood, and co-workers with Yohana Zebedayo in the AICT Nyashimba and Shigala churches.
1. Risala ya mazishi, familia ya Yohana Zebedayo, ya Aprili 4, 2011. Silas Shipula na James Ludoke wanasema alizaliwa Bulima, Nassa. Silas Shipula na James Ludoke, walihojiwa na mwandishi, Shigala, Magu, Tanzania, Aprili 17, 2012. Silas na James walikuwa rika moja na marafiki tangu utoto na wafanyakazi wenzake na Yohana Zebedayo katika makanisa ya AICT Nyashimba na Shigala.