| human | Q5 |
| P6844 | abART person ID | 90949 |
| P213 | ISNI | 0000000116370530 |
| P8189 | National Library of Israel J9U ID | 987007331906105171 |
| P691 | NL CR AUT ID | jk01072516 |
| P1207 | NUKAT ID | n96302655 |
| P9322 | SVKKL authority ID | p0204974-Loyda-Ludvik-1922 |
| P214 | VIAF ID | 48500242 |
| P27 | country of citizenship | Czechoslovakia | Q33946 |
| P1343 | described by source | Records of persons of interest | Q104900509 |
| P735 | given name | Ludvík | Q6699136 |
| Ludvík | Q6699136 | ||
| P106 | occupation | geologist | Q520549 |
| P21 | sex or gender | male | Q6581097 |
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