“…This practice has allowed scholars the reconstruction of patterns of language variation and change longitudinally in earlier speech communities. Retrospectively, works such as Romaine (1982), Milroy (1992), Nevalainen & Raumolin-Brunberg (1996, 1998, 2003/2017, Ammon, Mattheier & Nelde (1999), Jahr (1999), Kastovsky & Mettinger (2000), Bergs (2005), Hernández-Campoy & Conde-Silvestre (2012), Russi (2016) or Säily, Nurmi, Palander-Collin & Auer (2017) reflect the vitality of this impressively burgeoning field.…”