def get_absolute_url(self):
         return reverse("catalogue_author", args=[self.slug])
 
+    @classmethod
+    def get_by_literal(cls, literal):
+        names = literal.split(',', 1)
+        names = [n.strip() for n in names]
+        if len(names) == 2:
+            return cls.objects.filter(last_name=names[0], first_name=names[1]).first()
+        else:
+            return cls.objects.filter(last_name_pl=names[0], first_name_pl='').first() or \
+                cls.objects.filter(first_name_pl=names[0], last_name_pl='').first() or \
+                cls.objects.filter(first_name_pl=literal, last_name_pl='').first() or \
+                cls.objects.filter(first_name_pl=literal, last_name_pl=None).first()
+
     @property
     def name(self):
         return f"{self.last_name}, {self.first_name}"
         if hasattr(self, '_content_stats'):
             return self._content_stats
         try:
-            stats = self.document_books.first().wldocument().get_statistics()['total']
+            stats = self.document_books.first().wldocument(librarian2=True).get_statistics()['total']
         except Exception as e:
             stats = {}
         self._content_stats = stats
         max_length=32, blank=True,
         help_text='OdpowiadajÄ…cy kwalifikator Thema.'
     )
+    woblink = models.IntegerField(null=True, blank=True)
 
     class Meta:
         ordering = ('code',)