The archive is arranged according to the list of so-called file numbers that was present with the archive. The archive does not have a list of work numbers: these are present on the drawings, however, the file number may be missing. Therefore, in folders containing drawings of several projects, always read the object description on the drawing itself.This access includes only the works for which archives are available; the complete list of all works is available under number s51. An overview of all supplements can be found on page 51.