Fisher, Jami N.Tamminga, MeredithHochgesang, Julie2023-05-222023-05-222015-07-232019-08-18https://repository.upenn.edu/handle/20.500.14332/33128Philadelphia Signs Project video with participant discussing how she transitioned to the newer signs.http://creativecommons.org/licenses/by-nc-sa/4.0/Philadelphia Signs Projectsociolinguisticsdeafsign languageAmerican Sign LanguageASLregional variationLanguage Description and DocumentationArticle