Building Phase Plans, a topographical representation of buildings in Austria's towns and markets with buildings coloured in different shades according to their time of construction and period in art history. The Building Phase Plans were prepared from 1946 on (scale 1 : 1000) by the Bundesdenkmalamt (Federal Monuments Office) in Vienna, based on cadastral plans. The main part of the work was concluded by 1955.
Literature#Atlas der historischen Schutzzonen in Oesterreich, vol. 1: Staedte und Maerkte, ed. by Bundesdenkmalamt, 1970; vol. 2: Wien, ed. by Bundesdenkmalamt (Federal Office for the Protection of Monuments) and Kulturamt (Office for Cultural Affairs) of the City of Vienna, 1981.