dewey decimal classification aarne– thompson– uther index multiple-alarm fire hornbostel– sachs fire class classification motif- index of folk- literature operational taxonomic unit roget's thesaurus andre walker hair typing system classification (general theory) celestial emporium of benevolent knowledge common weakness enumeration characteristica universalis a c m computing classification system p a n o s e crime classification manual classification chart mc guire's motivations classification scheme (information science) groves classification system classification of european inland waterways library cataloging and classification classification of types of construction
Concepts_Conceptual systems