http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
[Rezension von: Julian Gardner, The Roman crucible. The artistic patronage of the papacy 1198-1304]
rezensiert von Marius Hauknes, The Johns Hopkins University, Baltimore
München : Ludwig-Maximilians-Universität München, Institut für Kunstgeschichte, 2000