'An ambitious and successful demonstration of the markedly different ways the medieval canon law of marriage was put into practice. Based on a command of archival evidence, it makes an important contribution to European legal and social history.' R. H. Helmholz, University of Chicago
'Müller would have written a more coherent and tightly argued book if he had confined himself to his abundantly documented Northern European case studies. By pushing his analysis southward, however, he wrote a more captivating and stimulating one. The result of his ambition is a sprawling and learned overview of the varied experiences, judicial and penitential, of sacramental marriage in Western Europe over a period of three centuries.' André Vitória, Speculum