The institutionalisation of cultural-historical psychology as a multinational practice / Seth Chaiklin -- The complementarity of theory and praxis in the cultural-historical approach : from self-application to self-regulation / Falk Seeger -- Family interactions as a source of being in society : language-games and everyday family discourse genres in language construction / Roxane Helena Rodrigues Rojo -- The origins of activity as a category in the philosophies of Kant, Fichte, Hegel and Marx / Charles W. Tolman -- The idea of units of analysis : Vygotsky's contribution / René van der Veer --Contextual, interactional and subjective dimensions of cooperation and competition : a co-constructivist analysis / Angela Uchoa Branco -- The concept of role as unit of analysis of young peers' interactions and cultural learning / Zilma de Moraes Ramos de Oliveira -- External and internal : another comment on the issue / Vladimir P. Zinchenko -- Semiotic mediation and internalisation : the role of referential perspective in instructional actions / Andrés Santamaría -- Intersubjectivity in models of learning and teaching : reflections from a study of teaching and learning in a Mexican Mazahua community / Mariëtte de Haan -- Lost--or merely domesticated? The boom in socio-historicocultural theory emphasises some concepts, overlooks others / Mohamed Elhammoumi -- Activity settings, ways of thinking and discourse modes : an empirical investigation of the heterogeneity of verbal thinking / Mercedes Cubero and Manuel L. de la Mata -- The category of 'personality' in cultural-historical psychology / Seth Chaiklin -- Toward a hermeneutical reconstruction of Galperin's theory of learning / Gloria Fariñas León -- The ideal in cultural-historical activity theory : issues and perspectives / Peter E. Jones