Current Research
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      - Bousquette, Joshua, Joshua R. Brown, Michael T. Putnam & Joseph Salmons. German worldwide: Variation, change, and stability. Oxford: Oxford University Press 
- Auer, Anita, Joshua R. Brown & Angela Hoffman. Historical sociolinguistic studies of language islands in the Americas: Tracing the development from immigrant languages to postvernacularity. Leiden: Brill. 
- Brown, Joshua R. & Angela Hoffman. Durable texts in heritage language communities. 
- Brown, Joshua R., David Natvig, & Joseph Salmons. Broadening the base of historical sociolinguistics. Special issue of Cadernos de Linguística. 
- Salmons, Joseph & Joshua R. Brown. Verticalization and historical sociolinguistics of language maintenace in medieval English. In Handbook of historical sociolinguistics. 
- Brown, Joshua R. Diachronic multilingualism in Minneapolis, Minnesota. 
- Brown, Joshua R. Forensic multilingualism in 19th century Pennsylvania. 
 
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      - Brown, Joshua R. The language ecology of Pennsylvania Dutch material culture. Haugen re-visited: Theoretical and empirical realities of heritage communities. Madison: University of Wisconsin Press. 
- Brown, Joshua R. Pennsylvania Dutch cemeteries as multilingual landscapes. 
 
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      - Salmons, Joseph C. & Joshua R. Brown. Verticalization and the historical sociolinguistics of language maintenance in medieval England. In Bridget Drinka, Terttu Nevalainen, & Gijsbert Rutten (eds.), Handbook of historical sociolinguistics. De Gruyter Mouton. 
 
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      - Brown, Joshua R. & Luca Ciletti. Heritage German across Generations in Eau Claire, Wisconsin. In B. Richard Page & Michael T. Putnam, Festschrift. Amsterdam: John Benjamins. 
- Brown, Joshua R. & Michael T. Putnam. Language shift, obsolescence, and death. In Edith Aldridge, Anne Breitbarth, Katalin É. Kiss, Adam Ledgeway, Joseph Salmons & Alexandra Simonenko (eds.), The Wiley Blackwell companion to diachronic linguistics. London: Wiley Blackwell 
- Brown, Joshua R. & Nora Vosburg. Social factors in language shift. In Joshua Bousquette & Simon Pickl, Oxford handbook of the German language. Oxfrord: Oxford University Press. 
 
Research interests
- American Studies / Material Culture Studies - Pennsylvania Dutch Studies: Material culture, history 
- Folk craft: Weaving techniques, gravestones, folk art and craft 
 
- Sociolinguistics - Language shift: issues, motivations, and results in heritage language communities 
- Historical sociolinguistics: heritage language ego-documents, forensic linguistics, language & religion 
- Heritage languages: permeability of the grammar in language contact, linguistic landscapes 
 
- Language pedagogy - Culturally relevant pedagogy: diversity through formal and symbolic curricula, teaching with cultural realia 
- Proficiency: Acquisition of written and oral proficiency 
 
Faculty-student collaboration
- 2024: Elva Crist. “An ecolinguistic analysis of toponymy in Iceland and the Northern United States” 
- 2023–2024: Kitty Stewart. “Flower cloth: Language and material culture of Hmong embroidery” 
- 2020–2023: Luca Ciletti and Katie Scherger. “Wisconsin’s heritage language ego-documents” 
- 2020: Kensie Kiesow, Stephanie Puestow, Mary Kate Schneeman, and Nikolaus Spittlemeister, . “Preserving heritage language ego-documents” 
- 2018–2019: Kylie Olson, Benjamin Peterson, and Cassandra Placketka. “Transcultural nursing care and Wisconsin’s Amish communities” 
- 2018: Rachyl Hietpas. “Postvernacular Dutch in Wisconsin” 
- 2018: Jillian Kresen and Hannah Schneeman. “Beyond the tourist’s Berlin” 
- 2017: Tristan Devick and Connor Zielinski. “Inclusive Pedagogy in the German Classroom” 
- 2016: Benjamin Carpenter and Hannah Schneeman. “Gender, class, generation, and politics of memory in Berlin” 
- 2014: Benjamin Carpenter. “Language and identity among Somalis in Barron, Wisconsin” 
- 2013–2015: Lara Steinke. “Writing Proficiency in the Second Language Classroom” 
- 2012: Kelsey Freymiller and Benjamin Gordon. “Teaching culture with soap operas” 
