1. Zwartjes, Otto & Hovdhaugen, Even, eds., Missionary Linguistics / Lingüística misionera. Selected papers from the First International Conference on Missionary Linguistics, Oslo, 13-16 March 2003, Amsterdam, Philadelphia ; 2. Zwartjes, Otto & Altman, Cristina, eds., Missionary Linguistics II / Lingüística misionera II. Orthography and Phonology . Selected papers from the Second International Conference on Missionary Linguistics, Sao Paulo, 10-13 March 2004, Amsterdam, Philadelphia ; 3. Zwartjes, Otto, Gregory James & Emilio Ridruejo, eds., Missionary Linguistics III / Lingüística misionera III. Morphology and Syntax. Selected papers from the Third and Forth International Conferences on Missionary Linguistics, Hong Kong/ Macau, 12-15 March 2005, Valladolid, 8-11 March 2006, Amsterdam, Philadelphia