Off the cuff, Masada and Herodium synagogues predate the fall of Jerusalem. Might I suggest 'Ancient Synagogues: Historical Analysis and Archaeological Discovery' which might broaden your scope... Notwithstanding that the Jews themselves hearken the origin of the synagogue to the Babylonian exile...
Porphyry, a Greek philosopher, using textual analysis exposed Daniel as bogus. That finding has stood the test of time.
The pagan Porphyry, in his textual analysis, did not have in his possession an extant copy of Danial predating his theory - We do... And that still does not explain away the great prophet, Isaiah.
There is a litmus test on the Hebrew side as well. Angels do not give their names. He names two. The writer is a con artist.
Yet there he is, among the prophets...
We’re talking of houses of prayer. There were none because they did not need them.
Who’s talking about Isaiah?
Daniel is a fake book. He got in there because of internal politics. There were two rival groups in Israel and they fought a six year civil war costing 50,000 lives.