"Reflecting on the repatriation of cultural property, this study covers disputed objects from the differing perspectives of ownership on the part of European museums in Austria, the UK, France, and Germany that currently hold cultural artifacts originally taken from Mexico. . . . Carroll reflects on the controversial five-centuries-long history in Mexico and Austria of El Penacho, the titular contested crown, believed to have belonged to Aztec Emperor Moctezuma Xocoyotzin. . . . The study concludes with an analysis of the ethics of keeping artifacts in museums in the future."