https://leopolitana.ossolineum.pl/dlibra/publication/3425/edition/2925/dissertatio-philologico-critica-de-literis-slavorum-de-divisione-illarum-nec-non-accentibus-cum-adnexa-lingvae-slavonicae-per-regnum-hungariae
Dissertatio Philologico-Critica De Literis Slavorum, De Divisione Illarum, Nec Non Accentibus, Cum...
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https://bazhum.muzhp.pl/journals/173/issues/17726
Bazhum - Historia Slavorum Occidentis
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https://schriftgut.sh/viewer/image/PPN774793643/11/
Chronica Slavorum Helmoldi, Presbyteri Bosoviensis, Et Arnoldi, Abbatis Lubecensis - Schriftgut.SH
slavorumetschriftgutsh