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Class frequency
Class hierarchy
323.40973/
323.40973/
Intangible
http://dewey.info/class/323.40973/
1009393
1364264
1740098
1975205
201686
2317298
2424485
283228
3169544
333375
3740197
449666
517619
661678
737682
800752
about
323.40973/
Intangible
http://dewey.info/class/323.40973/
type
Intangible