These Tinguian ethnically belong to the great Igorot group, and in northern Bontoc Province, where they are known as Itneg, flow into and are not distinguishable from the Igorot; but no effort is made in this monograph to cut the Tinguian asunder from the position they have gained in historic and ethnologic writings as a separate people.
"The Bontoc Igorot"
Albert Ernest Jenks
I think, therefore, that despite the conditions that conduce to miscegenation, the factor of the growing and reciprocal desire in both races to remain ethnically separate will gain the day.
"The Black Man's Place in South Africa"
Peter Nielsen
They are the source of all power, not politically speaking now, but ethnically, even commercially, speaking.
"The Young Man and the World"
Albert J. Beveridge