Breasted, J. H.
1906. Ancient records of Egypt, Vol. 1. (Chicago).
Caton-Thompson, G.
1934. The camel in dynastic Egypt, Man, XXXIV (Feb.), 2121.
Doe, B.
1971. Southern Arabia (London).
Green, F. W., and Quibell, J. E.. 1899. Hierakonpolis, II. British School of Archaeology in Egypt and Egyptian Research Account, Fifth Year. (London).
Grohmann, A.
1927. Zur Archäologie Südarabien, in: (ed.) Nielsen, Ditlef, Handbuch der Altarabischen Altertumskunde. Band I: Die Altarabische Kultur. (Copenhagen).
Haas, G.
1966. On the vertebrate fauna of the Lower Pleistocene Site ‘Ubeidiya. The Lower Pleistocene of the Central Jordan Valley. The Excavations at ‘Ubeidiya, 1960–1963. (Jerusalem).
Hommel, F.
1927. Geschichte Südarabiens im Umriss, in (ed.) Nielsen, Ditlef, Handbuch der Altarabischen Altertumskunde. Band I: Die Altarabische Kultur (Copenhagen).
Horsfield, A.
1943. Journey to Kilwa, Transjordan, Geographical Journal, CII (2), 71–7.
Möller, G.
1906. Ausgrabung der Deutschen Orient-Gesellschaft auf dem vorgeschichtlichen Friedhofe bei Abusir-el-Meleq im Sommer 1905, Mitteilungen der Deutschen Orient-Gesellschaft, No. 30 (May). 1–28.
Petrie, W. M. F.
1903. Abydos. Part II. 1903. Memoirs of the Egypt Exploration Fund, XXIV. (London).
Philby, H. St J. B.
1943. Note on Kilwa, Transjordan, Geographical Journal, CII (5–6): 274–7.
Rathjens, C. and Von Wissmann, H.. 1932. Vorislamische Altertumer. Rathjens-von Wissmannsche Sudarabien-Reise, Band 2 (Hamburg).
Rhotert, H.
1938. Transjordanien. Forschungsinst. Kulturmorphologie. (Frankfurt).
Ripinsky, M. M.
1974. The Camel in the archaeology of North Africa and the Nile Valley, Popular Archaeology, III (6–7), 10–15.
Stekelis, M.
1950–51. A new Neolithic industry: the Yarmukian of Palestine, Israel Exploration Journal, 1 (1), 1–19.
Van Beek, G. W.
1969. Hajar Bin Humeid. Investigations at a Pre-Islamic site in South Arabia. (With contributions by others.) Publications of the American Foundation for the Study of Man, Vol. 5 (Baltimore).
Wale, R.
1959. Zum Problem des Zeitpunkts der Domestikation der altweltlichen Cameliden, Zeitschrift der Deutschen Morgenländischen Gesellschaft, 101/Neue Folge Band 26/(1): 29–51.
Wiseman, D. J.
1958. Historical records of Assyria and Babylonia, in (ed.). Thomas, D. W., Documents from Old Testament times (Edinburgh).
Yeivin, S.
1952. Archaeological news, Israel, AJA, LVI (2), 141–3.
Zeuner, F. E.
1963. A history of domesticated animals (New York).
