ODNB online, 10 Feb. 2012 (Samuel Ajayi Crowther (c. 1807-1891) bishop of western Africa and linguistic scholar, was born of Yoruba parents at Oshogun, in the south-west of Nigeria, died 31 Dec. 1891, Lagos)
Encyclopaedia Britannica online, viewed Nov. 1, 2016 (Samuel Crowther; in full Samuel Ajayi Crowther, also spelled Adjai or Ajai; first African to be ordained by the Church Missionary Society; consecrated bishop of the Niger territory in 1864; sold into slavery at age 12, rescued by a British cruiser and landed at Sierra Leone, where he was educated in a mission school and baptized; went to Church Missionary College in London in 1842; missionary in Yoruba country 1843-1851)
