Oliver Cowdery described how Joseph, Oliver, and W.W. Phelps worked on the Egytpian alphabet and unfolded a system of astronomy.

Date: Oct 1, 1835
Type: Personal Journal / Diary
Source: Joseph Smith, Jr.
LDS
Hearsay: Direct
Scribed Summary
Reference: Joseph Smith, Journal, October 1, 1835, The Joseph Smith Papers website, accessed August 11, 2021
Scribe/Publisher: Oliver Cowdery
People: W. W. Phelps, Joseph Smith, Jr., Oliver Cowdery
Audience: N/A
Transcription: October 1, 1835. This after noon labored on the Egyptian alphabet, in company with brsr Oliver Cowdery and William W. Phelps: The system of astronomy was unfolded.
Source Link: https://www.josephsmithpapers.org/paper-summary/journal-1835-1836/4#facts
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