| materials by form............ | [VP] |
| ................. | Getty Vocabulary Program rules |
| materialen naar vorm............ | [Bureau AAT] |
| ................. | AAT-Ned (1994-) |
| materiaal naar vorm............ | [Bureau AAT] |
| ................. | AAT-Ned (1994-) |
| matériaux selon la forme............ | [CHIN] |
| ................. | CHIN database |
| materiales por forma............ | [CDBP-DIBAM] |
| ................. | TAA database (2000-) |
| Subject:............ | [Bureau AAT] |
| ................. | CHIN database |