http://dewey.info/scheme/a14/ en
305.2 Age groups
305.26 Persons in late adulthood
http://dewey.info/scheme/a14/ vi
305.2 Nhóm tuổi
305.26 Người cao tuổi
http://dewey.info/scheme/a14/ it
305.2 Gruppi d'età
305.26 Persone nella tarda età adulta
http://dewey.info/scheme/edition/e23/ en
305.2 Age groups
305.26 People in late adulthood
305.26086912 Older immigrants 305.26086942 Poor older people 305.26091732 Older people--urban areas 305.260973 Aging--social aspects--United States 305.261 Older men 305.262 Older women
Dewey Decimal Classification
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