Adelaar, Willem F.: Western South America: Historical Pre-Aymaran loan contacts (before 1000AD) - West coast contacts (15th-16th century) Berlin / New York : Mouton de Gruyter, 1996 neu seit 28.09.2004

Adelaar, Willem F. H.: Aymaran and Coastal Tupí-Guaraní: Historical Expansion of Aymaran languages (1000-1400AD) - Tupi - Guaraní langs. in 1500 and multiling. areas Berlin / New York : Mouton de Gruyter, 1996 neu seit 28.09.2004

Adelaar, Willem F. H.: The Araucanian Language; Araucanian language (16th century) and later expansion - Araucanian language: present distribution in: Atlas of Languages of Intercultural Com. in the Pacific, Asia and the Americas, Bd. 1: Maps Berlin / New York : Mouton de Gruyter, 1996 neu seit 12.07.2006

Adelaar, Willem F. H.: The Quechua language Expansion of Quechua (1700-1800) - Modern distribution of Quechua Berlin / New York : Mouton de Gruyter, 1996 neu seit 28.09.2004

Adelaar, Willem F. H.: Threatened Languages in Hispanic South America in: Brenzinger, Matthias (Hrsg.): Language Diversity Endangered Berlin / New York : Mouton de Gruyter, 2007 neu seit 07.03.2008

Adelaar, Willem F.H.: Araucanian, a language of intercultural communication in the Southern Andes in: Atlas of Languages of Intercultural Com. in the Pacific, Asia, a. the Americas, Bd. II.2: Texts Berlin / New York : Mouton de Gruyter, 1996 neu seit 12.07.2006

Adelaar, Willem F.H.: Aymaran, the lake Titicaca area. and the central part of the Pacific coastal area of Perú in: Atlas of Languages of Intercultural Com. in the Pacific, Asia, a. the Americas, Bd. II.2: Texts Berlin / New York : Mouton de Gruyter, 1996 neu seit 12.07.2006

Adelaar, Willem F.H.: En pos de la lengua culle Überschrift: Lingüistica andina. Diacronía (diachrony) Lima, Peru : Consejo Nacional de Ciencia y Tecnología / gtz, 1990 neu seit 18.04.2008

Adelaar, Willem F.H.: Island Carib in: Atlas of Languages of Intercultural Com. in the Pacific, Asia, a. the Americas, Bd. II.2: Texts Berlin / New York : Mouton de Gruyter, 1996 neu seit 12.07.2006

Adelaar, Willem F.H.: Quechua, a language of intercultural communication in the Middle Andes in: Atlas of Languages of Intercultural Com. in the Pacific, Asia, a. the Americas, Bd. II.2: Texts Berlin / New York : Mouton de Gruyter, 1996 neu seit 12.07.2006