Source: SK-KO (Košice) Graduale H III/2 mac 50b 18_GRADUALE_HIII_2mac50_b_1r_DSC_0757.jpg 18r_GRADUALE_HIII_2mac50_bDSC_0757.jpg 18_GRADUALE_HIII_2mac50_b_1v_DSC_0758.jpg 18v_GRADUALE_HIII_2mac50_bDSC_0758.jpg