Greater Germania's ancient families' coats of arms, from what is now Poland. "A Most Dangerous Book: Tacitus's Germania from the Roman Empire to the Third Reich" by Christopher B. Krebs 12/21/13 John Batchelor Show. Harvard classics professor writes scholarly, lucid account of abuse of history. Written in 98 C.E. by the Roman official Tacitus, About the Origin and Mores of the Germanic Peoples…lost for centuries & resurfaced 1500 as Germans growing resentful of foreign domination.