Negritos of Zambales
by William Allan Reed
Manila Bureau of Public Printing 1904 page 3
Department of the Interior, The Ethnological Survey, Manila, March 3, 1904.

Sir: I have the honor to transmit a study of the Negritos of Zambales Province made by Mr. William Allan Reed, of The Ethnological Survey, during the year 1903. It is transmitted with the recommendation that it be published as Part I of Volume II of a series of scientific studies to be published by this Survey.