http://dewey.info/scheme/a14/ en
523 Specific celestial bodies and phenomena
523.8 Stars
523.8028 Auxiliary techniques and procedures; apparatus, equipment, materials
http://dewey.info/scheme/a14/ vi
523 Các thiên thể và hiện tượng thiên văn cụ thể
523.8 Sao
523.8028 Kỹ thuật và quy trình phụ trợ; máy móc, thiết bị, vật liệu
http://dewey.info/scheme/a14/ it
523 Specifici corpi e fenomeni celesti
523.8 Stelle
523.8028 Tecniche e procedure ausiliarie; apparecchi, attrezzature, materiali
http://dewey.info/scheme/edition/e23/ en
523 Specific celestial bodies and phenomena
523.8 Stars
523.80216 Star catalogs 523.81 Constants and dimensions 523.82 Optical, electromagnetic, radioactive, thermal phenomena 523.83 Motion 523.84 Aggregations and variable stars 523.85 Clusters 523.86 Physical constitution 523.87 Spectral types 523.88 Kinds of stars characteristic of stages of stellar evolution
http://dewey.info/scheme/edition/e22/ de
523 Einzelne Himmelskörper und Himmelsphänomene
523.8 Sterne
523.80216 Sternkataloge 523.81 Konstanten und Dimensionen 523.82 Optische, elektromagnetische, radioaktive, thermische Phänomene 523.83 Bewegung 523.84 Aggregationen und veränderliche Sterne 523.85 Sternhaufen 523.86 Physikalische Beschaffenheit 523.87 Spektraltypen 523.88 Für die Stadien der Sternentwicklung charakteristische Sterntypen
Dewey Decimal Classification
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