Chronological development of <a href="https://en.wikipedia.org/wiki/Brittany" class="extiw" title="en:Brittany">Brittany</a>'s seaside resorts (and south of the Manche department), since 1830.
<ul><li><a href="//commons.wikimedia.org/wiki/User:S%C3%A9mhur" title="User:Sémhur">Sémhur</a></li></ul>
CC BY-SA 4.0
* <cite style="font-style:normal">Philippe Clairay; Johan Vincent (2008). "<a rel="nofollow" class="external text" href="https://journals.openedition.org/abpo/230">Le développement balnéaire breton : une histoire originale</a>". <i>Annales de Bretagne et des Pays de l’Ouest</i> <b>115</b> (4): 201-233. Presses universitaires de Rennes. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1051/sm/2013110">10.1051/sm/2013110</a>. Retrieved on <span class="mw-formatted-date" title="2020-05-16">2020-05-16</span>.</cite>
<ul><li>Shorelines, department borders : <a rel="nofollow" class="external text" href="https://www.data.gouv.fr/fr/datasets/contours-des-departements-francais-issus-d-openstreetmap/">www.data.gouv.fr</a> (data from <a rel="nofollow" class="external text" href="https://www.openstreetmap.fr">OpenStreetMap</a> (CC-BY-SA-2.0)</li></ul>