Occurrence of Attributes in Original Text

The text related to the cultural heritage 'ShUM Sites of Speyer, Worms and Mainz' has mentioned 'Rhine' in the following places:
Occurrence Sentence Text Source
While the date of the first settlement of Jews in the regions which the Romans called Germania Superior, Germania Inferior, and Magna Germania is not known, the first authentic document relating to a large and well-organized Jewish community in these regions dates from 321[13][14][15][16] and refers to Cologne on the Rhine[17][18][19] (Jewish immigrants began settling in Rome itself as early as 139 BC[20]).
The greatest Jewish teachers and rabbis flocked to the Rhine.
Their teachings, dialogues, decisions, and influence propelled Mainz and neighboring towns along the Rhine into world-wide prominence.