Similar to アールネ・トンプソンのタイプ・インデックス

Statistical classification

classification

Taxonomy (biology)

Australian and New Zealand Standard Industrial Classification

New York Heart Association Functional Classification

Theory of categories

Species description

Character class

GLAM (cultural heritage)

International Classification for Standards

Country code

Wheel arrangement

Shapley–Sawyer Concentration Class

Genre

Race (fantasy)

Stellar classification

Tag cloud