InstrProt Instrumentum protestacionis, ed. J. Sedlák, Studie a texty III/1, Olomouc 1919, pag. 86–89. c. 1418 coram r(everendissimo) in Cr-o patre...Iohanne...cardinali InstrProt 87 quod unus ipsorum inceperit, alter eorum prosequi valeat, m-are, terminare et finire InstrProt 87