Rakow, H. & Lapp, G. & finance officer, L, Breithaupt, W. & Lowag, G, concise dictionary of the postal sector. Book of reference in the order of the Federal ministry for the post and Telecommunications published, magnificently full leather cover with back embossing and addendum, 2 edition. Frankfurt (Main) 1953.827 S. Plusplus 196 S., with Entry. ;