However, Lazard (1999) and Hill (2012) question the validity of this category, Lazard finding that the category cannot be distinguished from a mediative, and Hill finding the evidence given by DeLancey and by Aikhenvald (2004) either incorrect or insufficient.
Dixon and Alexandra Aikhenvald headed this institute up to 2008, when they accepted a position at James Cook University in Cairns.
Princess Alexandra, The Honourable Lady Ogilvy | Alexandra Palace | Princess Alexandra | Alexandra of Denmark | Alexandra | Alexandra Burke | Crewe Alexandra F.C. | Queen Alexandra | Royal Alexandra Hospital | Alexandra Bridge | Royal Alexandra Theatre | Queen Alexandra's Royal Army Nursing Corps | Alexandra Park | Alexandra Lamy | Alexandra Juhasz | Alexandra Feodorovna (Alix of Hesse) | Alexandra Shulman | Alexandra Paul | Alexandra of Yugoslavia | Alexandra Hamilton, Duchess of Abercorn | Alexandra Aikhenvald | Princess Alexandra of Denmark | Princess Alexandra Hospital | Alexandra Zaretsky | Alexandra, Gauteng | Princess Alexandra of Luxembourg | Princess Alexandra of Hanover | Princess Alexandra, 2nd Duchess of Fife | Mold Alexandra F.C. | Alexandra, Victoria |
Research on Tariana, including a grammar book and a Tariana-Portuguese dictionary have been written by Alexandra Aikhenvald from the La Trobe University, who is a specialist on the Arawak language family.