1. 2004
2. Agreement in relative clauses and the theory of phrase structure : a study of Standard Arabic

   Mohamed Ali, A. (Author), Macdonald, P. (Supervisor) & Deuchar, M. (Supervisor), Jan 2004

   Student thesis: Doctor of Philosophy

3. 2006
4. Language proficiency and academic achievement of monolingual Persian-speaking and bilingual Turkish-Persian-speaking primary school children in Quchan

   Elyasi, M. (Author), Deuchar, M. (Supervisor), Nov 2006

   Student thesis: Doctor of Philosophy

5. 2007
6. Evaluating competing models of codeswitching with reference to Mandarin/Tsou and Mandarin/Southern Min Data.

   Wang, S.-L. (Author), Deuchar, M. (Supervisor) & Macdonald, P. (Supervisor), Apr 2007

   Student thesis: Doctor of Philosophy

7. 2010
8. Identifying word-order convergence in the speech of Welsh-English bilinguals

   Webb-Davies, P. (Author), Deuchar, M. (Supervisor), Jan 2010

   Student thesis: Doctor of Philosophy

9. 2011
10. Flagging in English-Italian code-switching

    Rosignoli, A. (Author), Deuchar, M. (Supervisor), Jan 2011

    Student thesis: Doctor of Philosophy