call_number
stringlengths 3
7
| description
stringlengths 3
54
| broader
stringclasses 110
values | narrower
sequencelengths 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 | [] |