Franz von Papen, Memoirs. A contemporary National Socialist-inspired pamphlet about Papen reads:
'Much of his policy as a whole is explained by his impetuous urge for movement, change, speedy overriding of opponents; when in difficulty he seeks a tactic of outranking or new attack, and not of settling in or self-entrenchment. At full gallop some adversities will perhaps be underestimated' (Wendt, Hitler regiert).