call_number
stringlengths 3
7
| description
stringlengths 3
54
| broader
stringclasses 110
values | narrower
listlengths 0
10
|
|---|---|---|---|
990
|
History of other areas
|
990-999
|
[] |
991
|
[Unassigned]
|
990-999
|
[] |
992
|
[Unassigned]
|
990-999
|
[] |
993
|
New Zealand
|
990-999
|
[] |
994
|
Australia
|
990-999
|
[] |
995
|
New Guinea & Melanesia
|
990-999
|
[] |
996
|
Polynesia & Pacific Ocean islands
|
990-999
|
[] |
997
|
Atlantic Ocean islands
|
990-999
|
[] |
998
|
Arctic islands and Antarctica
|
990-999
|
[] |
999
|
Extraterrestrial worlds
|
990-999
|
[] |
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