Dittmar, M.: Acquiring the transitive construction: The development of understanding word order and case marking cues. Dissertation, Freie Univ., Berlin (2009)

Franz, M.: Culture in theoretical perspective: Inferring mechanisms and dynamics of cultural transmission. Dissertation, Universität Leipzig, Leipzig (2009)

Große, G.: The cognitive and motivational bases of young children's communication: The case of directives. Dissertation, Univ., Manchester (2009)

Hanus, D.: Great apes' causal cognition in the physical domain. Dissertation, Humboldt-Univ., Berlin (2009)

Rohland, N.: Etablierung von Methoden zur DNA-Analyse fossiler und forensischer Proben. Dissertation, Universität, Leipzig (2009)

Scheibe, M.: Vergleichende Analyse von Klasse-II-Nukleotidyltransferasen. Dissertation, Univ., Leipzig (2009)

Tennie, C.: Human culture versus great ape traditions: Mechanisms of observational learning in human children and great apes. Dissertation, Univ., Göttingen (2009)