The 11th Encyclopædia Britannica on Who Is a Palestinian | Daniel Pipes

As several authors (Aryeh L. Avneri, Joan Peters, Fred M. Gottheil) have shown, the non-Jewish population of Palestine grew because of the many in-migrants who came to work at Zionist economic enterprises. But it’s also worth noting that, even before that immigration began, this small territory was already filled with a wide range of peoples.