Palmer 2005, p. 274. Palmer, James (2005). "The 'Vigorous Rule' of Bishop Lull: Between Bonifatian Mission and Carolingian Church Control". Early Medieval Europe. 13 (3): 249–76. doi:10.1111/j.1468-0254.2005.00158.x.
Palmer 2005, p. 262. Palmer, James (2005). "The 'Vigorous Rule' of Bishop Lull: Between Bonifatian Mission and Carolingian Church Control". Early Medieval Europe. 13 (3): 249–76. doi:10.1111/j.1468-0254.2005.00158.x.
Palmer 2005, p. 263. Palmer, James (2005). "The 'Vigorous Rule' of Bishop Lull: Between Bonifatian Mission and Carolingian Church Control". Early Medieval Europe. 13 (3): 249–76. doi:10.1111/j.1468-0254.2005.00158.x.
Palmer 2005, p. 273. Palmer, James (2005). "The 'Vigorous Rule' of Bishop Lull: Between Bonifatian Mission and Carolingian Church Control". Early Medieval Europe. 13 (3): 249–76. doi:10.1111/j.1468-0254.2005.00158.x.