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"This vol. consists of a number of translations of original 19th century Prussian documents, coupled with examples of modern authorship providing commentary on those original documents"--Editor's note.
Contribution to the understanding of American mills and flour production / Carl Friedrich Ganzel & Friedrich Wulff
Comments of the 1832 report 'Contribution to the understanding of American mills and flour production' / Derek Ogden
German adoption of American milling techniques / Gerald Bost.
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Ganzel and Wulff : the quest for American milling secrets by Carl Friedrich Ganzel. ISBN 9789291340255. Published by International Molinological Society in 2010. Publication and catalogue information, links to buy online and reader comments.