Image:Johann Heinrich von Thünen Duke.png
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Johann_Heinrich_von_Thünen_Duke.png (310 × 375 pixels • taille du fichier : 69 ko • type MIME : image/png)
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Johann Heinrich von Thünen (1783–1850), contemporary portrait
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This image (or other media file) is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years. العربية ǀ Български ǀ Català ǀ Česky ǀ Dansk ǀ Deutsch ǀ English ǀ Ελληνικά ǀ Esperanto ǀ Español ǀ Euskara ǀ فارسی ǀ Français ǀ Galego ǀ עברית ǀ हिन्दी ǀ Bahasa Indonesia ǀ Italiano ǀ 日本語 ǀ 한국어 ǀ Kurdî / كوردي ǀ Nederlands ǀ Norsk (nynorsk) ǀ Bahasa Melayu ǀ Polski ǀ Português ǀ Русский ǀ Slovenščina ǀ Shqip ǀ Suomi ǀ Svenska ǀ Türkçe ǀ 简体中文 ǀ 正體中文 ǀ +/- |
Source: The Warren J. Samuels Portrait Collection at Duke University, http://www.econ.duke.edu/Economists/
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