| P27 | country of citizenship | ... | Q33946 (Czechoslovakia) | Czechoslovakia |
| P1343 | described by source | ... | Q104900509 (Records of persons of interest) | Records of persons of interest |
| P734 | family name | ... | Q21452256 (Frejka) | Frejka |
| P22 | father | ... | Q1874402 (Ludwig Freund) | Ludwig Freund |
| P101 | field of work | ... | Q8134 (economics) | economics |
| P101 | field of work | ... | Q37732 (demography) | demography |
| P735 | given name | ... | Q16282141 (Tomáš) | Tomáš |
| P31 | instance of | ... | Q5 (human) | human |
| P1412 | languages spoken, written or signed | ... | Q1860 (English) | English |
| P1412 | languages spoken, written or signed | ... | Q9056 (Czech) | Czech |
| P106 | occupation | ... | Q188094 (economist) | economist |
| P106 | occupation | ... | Q12360779 (demographer) | demographer |
| P19 | place of birth | ... | Q146356 (Chomutov) | Chomutov |
| P21 | sex or gender | ... | Q6581097 (male) | male |
| P11496 | CiNii Research ID | 1140845216739948544 |
| P13049 | DDB person (GND) ID | 171598016 |
| P227 | GND ID | 171598016 |
| P269 | IdRef ID | 081100140 |
| P213 | ISNI | 0000000110469732 |
| P244 | Library of Congress authority ID | n80076305 |
| P271 | NACSIS-CAT author ID | DA11121335 |
| P8189 | National Library of Israel J9U ID | 987007274376705171 |
| P1368 | National Library of Latvia ID | 000150508 |
| P691 | NL CR AUT ID | jk01031815 |
| P1207 | NUKAT ID | n99008287 |
| P12458 | Parsifal cluster ID | 396100 |
| P2732 | Persée author ID | 9324 |
| P1153 | Scopus author ID | 6603549644 |
| P4012 | Semantic Scholar author ID | 9911830 |
| P214 | VIAF cluster ID | 25451634 |
| P10832 | WorldCat Entities ID | E39PCjKXkgvdDYHYQggwxgJ99P |
Why not click here or view trends?
log id: 10522358