This book serves as an introductory text and reference manual for the study of American German and American Icelandic bilingualism. Specifically, the book deals with English influence on the spoken dialects of American German and compares these results with similar data for spoken American Icelandic. The book summarizes past research in this field, derives conclusions from this research, and points out topics where more study is needed. It contains a comprehensive bibliography, an index of scholars, an index of dialects and languages, and an index of terms. The book is indispensable for anyone interested in bilingualism in general and American German bilingualism in particular.