Researching World Christianity: Doctoral Dissertations on Mission since 1894International Bulletin of Missionary Research with Yale Divinity School Library. includes English-language doctoral dissertations without regard to country of origin. Second, rather than focusing narrowly on missions, it also includes dissertations dealing with Christianity outside the West. Excluded are dissertations about Christianity in Europe, Australasia, and North America, with the exception of aboriginal missions in those areas. Third, it expands the chronological scope to include dissertations presented since 1894. Over 6,250 titles as of May 2014.