- Where Have All the Indios Gone? A Critical Discourse Analysis of the Brazilian Telenovela A Muralha and Its Indigenous Representation
- Indigenous Languages in Brazil. A Country between Monolingualism and Plurilingualism
- The Orthographic Reformation of the Portuguese Language. The Orthographic Agreement of 1990 and Its Linguistic, Cultural and Political Consequences
- Introduction to Tactile Alphabets. The Invention, Development and Structure of Braille
- "Selbstbildnis mit verbundenem Ohr und Pfeife von Vincent van Gogh. Bildanalyse und Interpretation





