The publication Foreign Relations of the United States constitutes the official record of the foreign policy of the United States. The volumes in the series include, subject to necessary security considerations, all documents needed to give a comprehensive record of the major foreign policy decisions of the United States together with appropriate materials concerning the facts which contributed to the formulation of policies. Documents in the files of the Department of State are supplemented by papers from other government agencies involved in the formulation of foreign policy.

The basic documentary diplomatic record printed in the volumes of the series Foreign Relations of the United States is edited by the Office of the Historian, Bureau of Public Affairs, Department of State. The editing is guided by the principles of historical objectivity and in accordance with the following official guidance first promulgated by Secretary of State Frank B. Kellogg on March 26, 1925.

There may be no alteration of the text, no deletions without indicating where in the text the deletion is made, and no omission of facts which were of major importance in reaching a decision. Nothing may be omitted for the purpose of concealing or glossing over what might be regarded by some as a defect of policy. However, certain omissions of documents are permissible for the following reasons:

To avoid publication of matters which would tend to impede current diplomatic negotiations or other business.
To condense the record and avoid repetition of needless details.
To preserve the confidence reposed in the Department by individuals and by foreign governments.
To avoid giving needless offense to other nationalities or individuals.
To eliminate personal opinions presented in despatches and not acted upon by the Department. To this consideration there is one qualification—in connection with major decisions it is desirable, where possible, to show the alternative presented to the Department before the decision was made.

Documents selected for publication in the Foreign Relations volumes are referred to the Department of State Classification/Declassification Center for declassification clearance. The Center reviews the documents, makes declassification decisions, and obtains the clearance of geographic and functional bureaus of the Department of State, as well as of other appropriate agencies of the government.

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The Center, in coordination with geographic bureaus of the Department of State, conducts communications with foreign governments regarding documents or information of those governments proposed for inclusion in Foreign Relations volumes.

John P. Glennon supervised preparation of this volume. Robert J. McMahon compiled the section on the Philippines. Harriet D. Schwar prepared the compilations on Burma and Indonesia, and Louis J. Smith those on Singapore and Malaya and on Thailand. David W. Mabon provided planning and direction for the volume and conducted the initial editorial review. Ms. Schwar and Vicki E. Futscher prepared the lists of sources, names, and abbreviations.

Ms. Futscher, Althea W. Robinson, and Rita M. Baker performed the technical editing. Typesetting and printing were monitored by Barbara A. Bacon of the Publishing Services Division (Paul M. Washington, Chief). Victoria L.V. Agee prepared the index.

William Z. Slany
The Historian
Bureau of Public Affairs