| is schema:contributor of 4 | <http://purl.org/net/ld/yma/data/MB90767> |
| is schema:contributor of | <http://purl.org/net/ld/yma/data/MB91000> |
| is schema:contributor of | <http://purl.org/net/ld/yma/data/UB91000> |
| is schema:contributor of | <http://purl.org/net/ld/yma/data/UB90767> |