1. The syntax of subjects in the acquisition of Spanish and Catalan
2. Chen, Z., Valian, V., & Chodorow, M. (2016, November). The same factors influence subject use in children and adults. Poster session presented at the 40th Boston University Conference on Language Development, Boston, MA.
3. Overt subjects in early Basque and other null subject languages
4. Projection, heads, and optimality;Grimshaw J.;Linguistic Inquiry,1997