Found 2 collections related to Mackenzie,%20R.%20Shelton%20(Robert%20Shelton),%201809-1880

Southey, Robert, 1774-1843
Henry W. and Albert A. Berg Collection of English and American Literature | Berg Coll MSS Southey
106 items
This is a synthetic collection that includes manuscripts, correspondence, an undated commonplace book, and an undated notebook.
Porter, Jane, 1776-1850
Carl H. Pforzheimer Collection of Shelley and His Circle | Pforz MS
1872 items
The Jane Porter Papers in the Carl H. Pforzheimer Collection of Shelley and His Circle at the New York Public Library.
Indicates that portions of this collection have been
digitized and are available online.