日本語を含むトランス・ユーラシア諸語の地域・系統的な相互関係の研究史における重要文献68点を精選収録（うち20点以上が日本語関連）。「日本語はアルタイ語か？」という博士論文でも知られるMartine Robbeets博士の編集、新序文。The scope and nature of the connections between the Transeurasian languages are among the most disputed issues in comparative historical linguistics. This four-volume collection will assemble the most important scholarly writings concerning the historical relationship between these languages, particularly those discussing areal and genealogical correlations.