This folder contains: Correspondence Maps Forum Programs "Language Origins and the Red Marble Theory" by Mary Ritchie Key, 1989 " A World map of Hypothesized Language Affiliations" by Mary Ritchie Key, 1987 "Synonyms and Homonyms as Seen in Comparative Linguistics" by Mary Ritchie Key, 1993 "Language Change in South American Indian Languages" by Mary Ritchie Key, 1991 "North and South American Linguistic Connections" by Mary Ritchie Key, 1981 "Meaning as Derived from Word Formation in South American Indian Languages" by Mary Ritchie Key "An Approach to Semantics Through Comparative Linguistics" by Mary Ritchie Key, 1985 "An Example of Cognitive-Semantic Processes in Language Change" by Mary Ritchie Key, 1990 "Comparative Methodology for Distant Relationships in North and South American Languages" by Mary Ritchie Key, 1983 "Sobre Prestamos y Clasificaciones Linguisticas" by Mary Ritchie Key, 1988 "Computerizing the Languages of the World" by Mary Ritchie Key, 1990 "Intercontinental Linguistic Connections" by Mary Ritchie Key, 1981.