Statistics for occurrence #1 of “Austria” in chapter 1 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:
...arty or an observer, the necessary documents, after the most thorough and extensive search, were selected from the Correspondence with Ministers, Agents, and others in France, Spain, Holland, Russia, Austria , Prussia, and several of the smaller German Courts, especially Hesse Cassel and Brunswick.
The volumes examined for this purpose were very numerous, and the copies for my use reach to all questions...
† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.