Lars-Gunnar Andersson
Florian Coulmas
Peter Trudgill
Richard J. Watts
Tony Bex
Peter Wiesinger
Rudolf Muhr
Marie-Anne Hintze
Paul L. and Phyllis Wattis Foundation Endowment Symposium (3rd 1997 California Academy of Sciences)
Workshop "Luxemburgisch in Synchronie und Diachronie" (2001 Louvain, Belgium)
Veronique De Tier
Georgiĭ Vladimirovich Stepanov
Walt Wolfram
International Conference on Language Variation in Europe (2nd 2003 Uppsala University)
Miriam R. Eisenstein Ebsworth
Herbert Schendl
M. Teresa Turell
James Milroy
John J. Gumperz
André Lanly