Classification systems by subject
Popularity Index: 157 Updated at 2025-01-13 02:59 UTCSites
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Subcategories
Employment classifications
Classes of computers
Classification of people
Language classification
Statistical classification
Trade and industrial classification systems
Travel classes
Weight classes
Chemical classification
Educational classification systems
Medical classification
Music classification
Mathematical classification systems
Sailing by class
Geographic classifications
Character classes
Scientific classification
Soil classification
Vehicle classification
Windsurfing by class
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