In addition to being all over the ground (though archaeology of such sites is discouraged by the Israeli Antiquities people, who only want Jewish sites documented).... Its also in their genes. Palestinians are descended from ancient Jews. See studies on Palestinian and Jewish genetics:
1. Ben-Gurion, David & Ben-Zvi, Yitzhak. The Land of Israel in the Past and in the Present. The Yiddish version, New York, 1918.
2. Ben-Zvi, Yitzhak. Populations of Our Land. Warsaw: The Labor Committee of "Brit Hanoar" and the World Khaluts Center, 1932.
3. Writings of Yitzhak Ben-Zvi, Vol. no. 5 Population of the Land of Israel Tel Aviv: Mitspeh Publishing, 1936 (identical contents to source 2).
4. Ben-Gurion, David. An Inquiry into the Origins of the Fellahin. Tel Aviv: Khermon Publishing, 1969.
5. Belkind, Israel. Arabs in the Land of Israel. Tel Aviv: Khermon Publishing, 1969.
6. Misinai, Tsvi. The Road Map to the Third Intifada The roots and solution to the Problem of the Holy Land. Tel Aviv: Liad Publishing, 2006.
7. Yarden, Elon. A Common Homeland Not a Disputed Territory. Tel Aviv: Liad Publishing, 2006. (Contains sources 4 and 5 as appendices).
8. Yarden, Elon. Zion in Justice Shall be Redeemed (An Alternative to the Oslo Accords). Tel Aviv: Liad Publishing, Tel Aviv, 2002.
9. Misinai, Tsvi. Brother Shall Not Lift Sword Against Brother. Tel Aviv: Liad Publishing, 2007. (The book is a shortened version of source 6, written in a popular style).
10. Writings of Ber Borokhov, Volume 1. Kibbuts Meukhad Publishing, 1955.
11. Oral Telling of Samaritan Traditions, Yitskhak Ben Tsvi, A.B. Samaritan News, Volume 370-371, page 8, October 8, 1985.
12. מבנה ציבור בכפר יטא שבדרום הר חברון יובל ברוך, רשות העתיקות ירושלים מחקרי יהודה ושומרון תשנ"ט, כרך תשיעי.
http://daat.ac.il/daat/israel/yehuda...e-9-baruhl.PDF
13. Jewish and Middle Eastern non-Jewish populations share a common pool of Y-chromosome biallelic haplotypes M. F. Hammer, A. J. Redd, E. T. Wood, M. R. Bonner, H. Jarjanazi, T. Karafet, S. Santachiara-Benerecetti, A. Oppenheim, M. A. Jobling, T. Jenkins, H. Ostrer, and B. Bonne-Tamir PNAS (Proceedings of the National Academy of Sciences, USA(, Volume 67, No. 12, pp 6769-6774, June 6, 2000.
Jewish and Middle Eastern non-Jewish populations share a common pool of Y-chromosome biallelic haplotypes
14. High-resolution Y chromosome haplotypes of Israeli and Palestinian Arabs reveal geographic substructure and substantial overlap with haplotypes of Jews Almut Nebel Dvora Filon Deborah A. Weiss Michael Weale Marina Faerman Ariella Oppenheim Mark G. Thomas Human Genetics, Volume 107, pp 630-641, 2000.
http://www.ucl.ac.uk/tcga/tcgapdf/Ne...00-IPArabs.pdf
15. The Y Chromosome Pool of Jews as Part of the Genetic Landscape of the Middle East Almut Nebel, Dvora Filon, Bernd Brinkmann, Partha P. Majumder, Marina Faerman, and Ariella Oppenheim American Journal of Human Genetics, Volume 69, pp 1095-1112, 2001.
http://www.pubmedcentral.nih.gov/art...?artid=1274378
16. Genetics of congenital deafness in the Palestinian population: multiple connection 26 alleles with shared origins in the Middle East. Shanin H, Walsh T, Sobe T, Lynch E, King MC, Avraham KB, Kanaan M. Human Genetics 110(3):284-9, Mar 2002.
http://www.tau.ac.il/~karena/manuscr...et_al_2002.pdf
17. The Origin of Palestinians and Their Genetic Relatedness With Other Mediterranean Populations Antonio Arnaiz-Villena, Nagah Elaiwa, Carlos Silvera, Ahmed Rostom, Juan Moscoso, Eduardo Gómez-Casado, Luis Allende, Pilar Varela, and Jorge Martínez-Laso Human Immunology 62, 889-900 (2001)
http://kinoko.c.u-tokyo.ac.jp/~durai...opulations.pdf
18. Journal axes gene research on Jews and Palestinians Robin McKie, science editor, The Observer, Sunday 25 November 2001 Journal axes gene research on Jews and Palestinians | World news | The Observer
19. The origin of Eastern European Jews revealed by autosomal, sex chromosomal and mtDNA polymorphisms Avshalom Zoossmann-Diskin Biology Direct Biology Direct | Full text | The origin of Eastern European Jews revealed by autosomal, sex chromosomal and mtDNA polymorphisms
20. Bohm, David. Wholeness and the Implicate Order. Routledge, 198
If you have the REMOTEST DOUBT about my allegation that Israel discourages documentation of post-Roman era, I'll get you some.
I'll get you LOTS!