Feuser, P. & Münzberg, W, German pre-philately, station catalog ++ supplement, 1988 / 1990, 2 volume, along with over 1300 S. And approximate 15000 price quotation, 10.000 postmark, 4090 Postal service place, 9750 illustration in the volume 2, additions to volume 1, as well border transit postmark, military and disinfection stamp, substation cancel complete linen. ;