Yiṣhaq b. Barukh

Document	Type	Relation	Date
Bodl. MS heb. d 74/41	Letter	Sender	Sunday, 29 Tammuz 4898 Anno Mundi (10 July 1138 CE)
T-S 8J18.1	Letter	Sender	Monday 29 Av 4898 Anno Mundi (8 August 1138 CE)
T-S 10J15.3	Letter	Recipient	End of 1139–mid-1140
T-S 13J20.9	Letter	Sender