@misc{Wróbel_Walenty_(c._1475_–_1537)_Opusculum,
 author={Wróbel, Walenty (c. 1475 – 1537)},
 howpublished={online},
 publisher={Lotter Melchior},
 type={starodruki},
 title={Opusculum quadragesimale per Valentinum Posnanianum recollectum [...] In hoc opusculo continentur [:] Tractatulus de poenitentia [et] partibus eius. Tractatus de decem Praeceptis Dei. Declaratio Orationis Dominicae. Declaratio Symboli Apostolorum},
 keywords={Kościół katolicki 16w., duchowość katolicka, Wielki Post},
}