Trościński, G. Unknown Hymnal of the Bernardine Order in Radom Preserved in the Diocesan Library in Sandomierz. The Content of the Manuscript. In Piśmiennictwo zakonne w dobie staropolskiej; Kuran, M., Kaczor-Scheitler, K., Kuran, M., Szymczak, D., Eds.; , Series Ed.; Literary and Linguistic Analects; Lodz University Press: Poland, 2013; Vol. III, pp. 105-128. https://doi.org/10.18778/7525-996-4.08.