Analysis of information sources in references of the Wikipedia article "Origins of Judaism" in English language version.
[...] the picture drawn for us of the northern kingdom and its religion is not reliable. Furthermore, the so-called conservative Yahwism which is said to have predominated in Judah, seems to have existed only in the Jewish scholars' reconstruction of history.
A copy [...] was completed at the end of 1342 [...] by the scribe Solomon b. Simson [...]. [...] This manuscript, now at the Bayerische Staatsbibliotek in Munich (MS Heb. 95), remains the only complete manuscript of the Babylonian Talmud to survive from the Middle Ages.
[Note 23:] The settlement of Israelite groups in Judah in the wake of the northern kingdom's destruction may have brought much of the northern biblical material with it, engendering a pan-Israelite sentiment in Judah (Finkelstein, Forgotten Kingdom, 155).
'Pure' Yahwism was upheld by ecstatic prophetic groups led by men such as Samuel, Elijah and Elisha who involved themselves actively in political matters. Later, this role was taken on by the so-called writing prophets: Hosea, Amos, Micah and Isaiah [...] in the eighth century. These prophets were the creators of the ethical monotheism of ancient Israel.
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