Pz Kpfw IX side view, based on the Signal magazine drawing
The Panzerkampfwagen IX and Panzerkampfwagen X were silhouette conceptual drawings in an edition of the German World War IISignal military magazine. The drawings were not based on any actual designs, and were solely printed to deceive Allied intelligence.
^Jentz, Thomas L; Doyle, Hilary Louis (2001). Panzer Tracts 20-1: Paper Panzers, Panzerkampfwagen, Sturmgeschuetz, and Jagdpanzer. Boyds, MD: Panzer Tracts. p. 60. ISBN0-9708407-3-X.Cite uses deprecated parameters (help)