Per Jonas Nordhagen's work on the frescoes of S. Maria Antiqua in Rome is of fundamental importance to the study of early medieval art in Italy. This volume brings together for the first time Professor Nordhagen's work on medieval Roman mosaics and fresco painting. The book begins with a section on Mosaics and Techniques, covering the mosaic techniques in use during this period in Rome. The subsequent section, on S. Maria Antiqua, includes the author's papers on the fresco decoration of this church, one of the most important monuments of early medieval art in Italy. There follows a selection of papers on iconography, derived from a study of the subjects treated in the mosaic and fresco cycles of this period. Four subsequent articles deal with various themes involved in studying the art of the early medieval period in Rome, and its links with the art of the British Isles. The author has added supplementary notes to correct mistakes in the earlier articles, and to draw attention to subsequent research on the monuments.

The book shows how architecture in Norway has been shaped by resource availability, changing social conditions and architectural style impulses through the centuries. The book is thoroughly illustrated with photos, ground plan drawings and isometric drawings. This outline of Norwegian architectural history provides the first comprehensive presentation of architecture in Norway, from tents and housing constructions in the Stone Age until contemporary architecture as the iconic, contemporary Opera House in Oslo. The book shows how Norwegian vernacular architecture has been shaped by natural conditions and resources, changing cultural situations and building traditions through the ages. By implementing a view on how the cultivated and built landscapes of Norway have been affected by human hands and creativity, the authors give a contextual and interdisciplinary presentation of Norwegian architecture history. The authors show how the technological basis of Iron Age and Medieval architecture was developed long before the construction of stave churches. In the first part of the book, recent research on building construction both in prehistoric times and during the middle ages are presented. After an updated review of the architecture of early post-medieval centuries the authors show how the repartition of land, industrialization and urbanization transforms the landscape of the late 19th century. Major changes take place into the 1900s during the breakthrough of modernism, with huge building activity for a new independent nation. The book also presents new research on the most recent architecture in Norway, in particular the architecture of the 1980s, -90s and 2000s. The relations between vernacular architecture and contemporary architecture of different periods are dealt with through continuing discussions among the authors.