Did he really do it? - Bele, Martin (Acta historiae artis Slovenica, 2020)
Keywords: 13. st.; 13th cent.; battle on the Marchfeld; bitka na Moravskem polju; duchy of Styria; Frederick V of Ptuj; Friderik V. Ptujski; history; medieval dispute; Otokar iz Geule; Oton II. Liechtensteinski; Otto II of Liechtenstein; Ottokar aus der Gaal; propaganda; srednjeveški spor; Styrian Rhyme Chronicle; Štajerska rimana kronika; vojvodina Štajerska; zgodovina