en
520 Astronomy
520 Astronomy & allied sciences
fr
520 Astronomie
520 Astronomie et sciences connexes
es
520 Astronomía
520 Astronomía y ciencias afines
sv
520 Astronomi
520 Astronomi & hithörande vetenskaper
pt
520 Astronomia
520 Astronomia e ciências aliadas
ru
520 Астрономия
520 Астрономия и смежные науки
zh
520 天文学
520 天文学 & 天文应用
ar
520 علم الفلك.
520 الفلك والعلوم المتصلة به.
af
520 Sterrekunde
520 Sterrekunde & verwante wetenskappe
no
520 Astronomi
520 Astronomi og lignende vitenskaper
de
520 Astronomie
520 Astronomie und zugeordnete Wissenschaften
gd
520 Reul-eòlas
520 Reul-eòlas & saidheansan co-cheangailte
Dewey Decimal Classification
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