Joseph Smith recommends freeing, educating, and giving equal rights to slaves.

Date: Dec 30, 1842
Type: Personal Journal / Diary
Source: Joseph Smith, Jr.
LDS
Hearsay: Scribed Verbatim
Direct
Reference: "Journal, December 1842–June 1844; Book 1, 21 December 1842–10 March 1843," 12-13, The Joseph Smith Papers website, accessed April 26, 2022
Scribe/Publisher: Willard Richards
People: Joseph Smith, Jr., Orson Hyde
Audience: Joseph Smith, Jr.
Transcription: By Elder Hyde. what would you advice a man to do who came in the having a hundred Slaves? Joseph I have always advised such to bring their slaves into a free county— & set them free— Educate them & give them equal Rights.
Source Link: https://www.josephsmithpapers.org/paper-summary/journal-december-1842-june-1844-book-1-21-december-1842-10-march-1843/18
Citations in Mormonr Qnas: Black Saints and the Priesthood (Joseph Smith era)
Racism in the Book of Mormon