Fundamentals of Radio
Edward C. Jordan & Paul H. Nelson & William Carl Osterbrock & Fred H. Pumphrey & Lynne C. Smeby & W. L. Everitt
Manual of Piety (Die Hauspostille)
Bertolt Brecht
http://www.vho.or[..]
Unknown
wages
The Grand Strategy of the Roman Empire
Edward N. Luttwak