35 collected letters between Michael Gratz, Bernard Gratz, and Joseph Foster. A significant portion of the correspondence is in Yiddish.; American Philosophical Society
Documents related to Abel Westfall and Michael Gratz business dealings, including an agreement for the sale of goods (hemp), an order by the Commonwealth of Virginia to hold Abel Westfall to answer a debt against Michael Gratz, as well as "The answer of Michael Gratz, the defendant to the bill of complaint exhibited against him in the High Court of Chancery in the Commonwealth of Virginia by Abel Westfall Complainant."; American Philosophical Society
Documents related to the Gratz's relationship with George Croghan. Some letters (copies and originals) sent to and from Croghan. Many of the documents are correspondence and other materials related to the Croghan estate issue connected to John Clark. Please see correspondence between Gratz and John Clark for more information.; References to case related to John Clark and the Gratz.; American Philosophical Society
27 collected letters between Barnard Gratz and multiple others. Varied topics, but references to the Jewish faith and community, interactions with Native Americans, some letters written in Yiddish.; American Philosophical Society
Correspondence between John Clark, Michael Gratz, and Barnard Gratz regarding the estate of George Croghan. Clark is attempting to be paid from the estate of George Croghan due to debts and is asking Gratz, who inherited the estate, to pay him.; There are other documents in the Gratz papers that discuss the Croghan estate.; American Philosophical Society
22 collected letters between Alexander Abraham, Michael Gratz, Joseph Simon, and Barnard Gratz. Includes several ledgers and receipts.; American Philosophical Society
3 collected letters between Barnard Gratz, Michael Gratz, Samuel Myers, and Moses Myers. Letters discuss financial dealings.; American Philosophical Society
7 collected letters between William Murray and Patrick Kennedy, John Morris, and others. A receipt from William Murray to Patrick Kennedy paid for time "visiting the Lands on the Illinois River, and other Services performed in the Course of Your Negotiating the Land purchase." An receipt for goods delivered for John Morris by William Murray to "the Indians on account of Lands Purchased from them". A contract between William Murray and others (including the Gratz brothers) about the purchasing of ladns in Illinois for lead and copper mining.; American Philosophical Society
