Jacques-Étienne Montgolfier... www.britannica.com

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Etienne Montgolfier |... www.si.edu

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100 Jacques Etienne... www.gettyimages.com

Montgolfier Brothers -... www.historyofballoons.com

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A Lot of Hot Air – First... thedayintech.wordpress.com

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A Etienne de Montgolfier,... www.loc.gov

The Montgolfier Brothers www.chm.bris.ac.uk

Image of Portrait of... www.bridgemanimages.com