Salámat.
The author desires to express his hearty thanks to all those who have assisted him.
To Father Joaquin Sancho, S.J., Procurator of Colonial Missions, Madrid, for the books, maps and photographs relating to Mindanao, with permission to use them.
To Mr. H. W. B. Harrison of the British Embassy, Madrid, for his kindness in taking photographs and obtaining books.
To Don Francisco de P. Vigil, Director of the Colonial Museum, Madrid, for affording special facilities for photographing the Anitos and other curiosities of the Igorrotes.
To Messrs. J. Laurent and Co., Madrid, for permission to reproduce interesting photographs of savage and civilised natives.
To Mr. George Gilchrist of Manila, for photographs, and for the use of his diary with particulars of the Tagal insurrection, and for descriptions of some incidents of which he was an eye-witness.
To Mr. C. E. de Bertodano, C.E., of Victoria Street, Westminster, for the use of books of reference and for information afforded.
To Mr. William Harrison of Billiter Square, E.C., for the use of photographs of Vicols cleaning hemp.
To the late Mr. F. W. Campion of Trumpets Hill, Reigate, for the photograph of Salacot and Bolo taken from very fine specimens in his possession, and for the use of other photographs.
To Messrs. Smith, Bell and Co. of Manila, for the very complete table of exports which they most kindly supplied.
To Don Sixto Lopez of Balayan, for the loan of the Congressional Record, the Blue Book of the 55th Congress, 3rd Session, and other books.
To the Superintendent of the Reading Room and his Assistants for their courtesy and help when consulting the old Spanish histories in the noble library of the British Museum.