`Small and Singer have made a valuable collection of data even more valuable by opening up more possibilities for systematic research on conflict.' -- The Annals, Vol 475, Sept 1984 `At first glance one could easily miss the point that this book is the edition of The Wages of War (with a new title and authorship reversed). But surely the reissuing of the source-book for the single most important data-collection effort in peace research to date calls for celebration. The extensive bibliography of the Correlates of War project, published in the back of this book, testifies to the range and importance of the research which has resulted from the painstaking work performed by Singer and Small. However, there's sufficient new material in this book for any librarian to be undeterred by the words second edition. The lists of inter-state wars have been expanded from 50 to 67, and that of extra-systemic wars from 43 to 51...Like its predecessor, this volume will be a standard reference source for empirical work on war in the modern age.' -- Journal of Peace Research, Vol 19 No 3, 1982
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