A register of legal documents from the case of the landlords of Siematycze, princes Jabłonkowskis along with the kahal of Tykocin versus the landlord of Sarnaki, Butler, the starost of Mielnik along with the regional kahal, with the parties contesting the current territorial competence of the kahals. The register contains a short abstract of the documents, and, among others,  the rulings of the elders of the Crown Jews, the land rabbi and the Crown Tribunal