| human | Q5 |
| P9097 | American Academy in Rome ID | 12465032 |
| P5731 | Angelicum ID | 80699 |
| P9534 | Biblioteche della Custodia di Terra Santa a Gerusalemme ID | 504 |
| P268 | Bibliothèque nationale de France ID | 13490849p |
| P227 | GND ID | 123180651 |
| P269 | IdRef ID | 050194887 |
| P213 | ISNI | 0000000116724300 |
| P10553 | IxTheo authority ID | 706195299 |
| P8189 | J9U ID | 987007432703905171 |
| P244 | Library of Congress authority ID | n79064216 |
| P950 | National Library of Spain ID | XX1322295 |
| P1006 | Nationale Thesaurus voor Auteursnamen ID | 072430680 |
| P1207 | NUKAT ID | n2008047469 |
| P12458 | Parsifal cluster ID | 131734 |
| P5739 | Pontificia Università della Santa Croce ID | 40138 |
| P8982 | Pontificio Istituto di Archeologia Cristiana ID | 1355 |
| P3065 | RERO ID (legacy) | 02-A011975515 |
| P396 | SBN author ID | SBLV059181 |
| P9164 | Svenska Institutet i Rom ID | 35858 |
| P10844 | Teresianum authority ID | 36414 |
| P8034 | Vatican Library VcBA ID | 495/59679 |
| P214 | VIAF cluster ID | 74005595 |
| P10832 | WorldCat Entities ID | E39PBJq74C7mV7hJKdQtc8khpP |
| P27 | country of citizenship | Spain | Q29 |
| P734 | family name | Agudo | Q37168496 |
| P735 | given name | Isidoro | Q6481011 |
| Isidoro | Q6481011 | ||
| P106 | occupation | historian | Q201788 |
| P21 | sex or gender | male | Q6581097 |
| Isidoro De Villapadierna | wikipedia |
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