- Islandora Repository
- Text Collection
- Gratz Family Papers
- Gratz Family Papers - Series I: Barnard and Michael Gratz
- Business Records
- Barnard Gratz to Michael Gratz, 1766-1770
- Barnard Gratz to Michael Gratz, 1771-1775
- Barnard Gratz to Michael Gratz, 1776-1779
- Barnard Gratz to Michael Gratz, 1780-1784
- Barnard Gratz to Michael Gratz, 1785-1795
- David Franks, 1750-1785
- Michael Gratz to Barnard Gratz, 1763-1776
- Rachel Etting, 1792, 1796
- Simon Etting, 1789 October 11
- Solomon Etting, 1784-1797
- ______ to Barnard and Michael Gratz, Undated
