)
original_year = models.IntegerField(_('original publication year'), null=True, blank=True)
pd_year = models.IntegerField(_('year of entry into PD'), null=True, blank=True)
+ plwiki = models.CharField(blank=True, max_length=255)
gazeta_link = models.CharField(_("gazeta link"), max_length=255, blank=True)
collections = models.ManyToManyField("Collection", blank=True, verbose_name=_("collections"))
verbose_name_plural = _('books')
class Wikidata:
+ plwiki = "plwiki"
authors = WIKIDATA.AUTHOR
translators = WIKIDATA.TRANSLATOR
title = WIKIDATA.TITLE