Page:Challenge of Facts and Other Essays.djvu/16

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PREFACE
ix

omitted much which would find a more appropriate place in a Life and Letters; and it is my conviction that such an enterprise should be sometime undertaken. If well done it could not but inure to the strengthening of hearts.

The dating of several of these essays is next to impossible. Sometimes the only due to the time when they were written lies in the handwriting or the style. I judge, on these criteria, that the title-essay and "A Parable" belong to the eighties, and that the essay on "The Predicament of Sociological Study" is rather late — within a few years, one way or the other, of 1900.

The present intention of the publishers and editor is to bring out one more volume, which will include essays of a more technical character and will contain a full bibliography of Sumner's writings, in so far as such can now be assembled. This volume will probably be delayed for several years, in order to close the series definitively.

ALBERT GALLOWAY KELLER. New Haven, September 17, 1914