File talk:H. J. Helden, Ferrara distrutta dal terremoto del 1570.jpg
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"H. J. Helden" author?
[edit]The source for this authorship is a 2010 Italian article which captions the image as:
- H. J. Helden, Ferrara distrutta dal terremoto del 1570 (Zurigo, Biblioteca Universitaria)
- (H. J. Helden, Ferrara destroyed by the 1570 earthquake (Zurich, Zentralbibliothek Zürich))
However, the Library of Zurich's entry for this illustration (Ms_F_19_f154v_f155r) doesn't credit H. J. Helden. Outside of the Italian article (and copies of Commons relaying that info), I couldn't find any corroboration for, or mention of an "H. J. Helden". It might be best not to credit the illustration to that name based solely on that single article. — Avelludo 19:43, 13 December 2023 (UTC)