RT Book T1 Church law and constitutional thought in the Middle Ages T2 Variorum collected studies series JF Variorum collected studies series A1 Tierney, Brian 1922-2019 LA English PP London PB Variorum Reprints YR 1979 UL https://ixtheo.de/Record/1609472950 CN LAW SN 0860780368 K1 Canon law : History K1 Constitutional history, Medieval K1 Aufsatzsammlung