Inside the minds of Online Marketing MillionairesRich I Wilens, Brad Gosse, Reed Floren, Dr Ben Adkins, Omar Martin, Matt Bacak, Andy Hussong, Mike Lantz, Joel Comm, Ron Douglas · First published 2014Open the Tome
Jugendliteratur zwischen Trümmern und Wohlstand, 1945-1960Klaus Doderer, Martin Hussong, Winfred Kaminski · First published 1993Open the Tome
