More than 160 major works published in English from national and international sources on andragogy are presented here, in order to provide an clear and understandable, international foundation fr the linkage between the research, theory and practice of andragogy and its application to Adult Education and Human Resources Development. Six themes have emerged that provide a foundation for the linkage: The evolution of the term: historical antecedents shaping the concept; comparison of American and European understanding; popularizing of the American concept; practical applications; and theory, research, and definition. Andragogy has been used by some as a code word for identifying the education and learning of adults. For others, it has bee...