IxTheo-Classification

CC0 The editors of the Index Theologicus (IxTheo) provide the IxTheo Classification for free under the CC0 1.0 licence

IxTheo Classification is a facet classification system consisting of 13 main groups and 139 classes, that are used for the classification in IxTheo since 1995 (c.f. Erschließungskonzept [in German]):