Current Data About
DDC 20
| (P31) |
(Q3331189)
|
| (P155) |
(Q22291302)
|
| (P156) |
(Q20830578)
|
| (P393) |
20
|
| (P407) |
(Q1860)
|
| (P577) |
+1990-00-00T00:00:00Z
|
| (P629) |
(Q48460)
|
other details
| aliases |
DC20 DDC20 |
| description | 20th edition of the Dewey Decimal Classification (DDC) |