- Islandora Repository
- Text Collection
- The Sol Feinstone Collection of the American Revolution, ca. 1760s-1850s
- Morris, Robert to Messrs. Willem and Jan Willink, Nicholas and Jacob Van Staphorst, De la Lande and Fynje, 1784 February 12
- Morris, Robert to Messrs. Willem and Jan Willink, Nicholas and Jacob Van Staphorst, De la Lande and Fynje, 1784 February 12, page 3