Due to the exceptional circumstances concerning COVID-19, Érudit wishes to reassure its users and partners that all of its services remain operational. However, in order to comply with government directives, the Érudit team is now working remotely, and some operational activities may be slower than usual. Thank you for your understanding. More information

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Cover of La photographie a 150 ans, Number 9, September 1989, pp. 5-59, Ciel variable

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