https://www.wikidata.org/wiki/Property:P14225
NSK ID - Wikidata
identifier for an item in the catalogue of the National and University Library in Zagreb
nsk idwikidata
https://www.wikidata.org/wiki/Property:P1375
NSK (VIAF) ID - Wikidata
identifier for an item in the National and University Library in Zagreb (including leading zeroes), used in VIAF
nskviafid