http://dewey.info/scheme/edition/e23/ en
362.4 People with physical disabilities
362.41 People with blindness and visual impairments
362.41092 Blind people--social welfare--biography 362.4183 Blind people--material assistance
http://dewey.info/scheme/edition/e22/ de
362.4 Personen mit körperlicher Behinderung
362.41 Personen mit Blindheit und Sehbehinderung
362.41092 Blinde Personen--Sozialhilfe--Biografien, . . . 362.4183 Blinde Personen--materielle Hilfe
Dewey Decimal Classification
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