Kunst & religion: fra Byzans til Per Kirkeby (Art & Religion: From Byzantium to Per Kirkeby) by Hans Jørgen Frederiksen, an associate professor of art history @ Aarhus University, is #12 in the Acta Jutlandica series of academic press titles, free courtesy of Aarhus Universitetsforlaget.
This is an extensively-illustrated Danish-language art history title covering religious art mostly from early Byzantine depictions through Renaissance times, with some chapters on more modern eras, including that of the subtitular Per Kirkeby, an internationally acclaimed contemporary Danish artist.