Sudan Open Archive"The Sudan Open Archive offers free digital access to knowledge about all regions of Sudan. It is an expanding, word-searchable, full-text database of historical and contemporary books and documents. The current version, SOA 3.0, includes two new special collections: the first thirty-two volumes of Sudan Notes and Records, Sudan’s flagship scholarly journal, and the collected papers of the late Sudan scholar, Richard Gray" (Rift Valley Institute, n.d.).