092-Did Joseph Smith Teach Spirit Birth?-Intelligence, Spirit & Heavenly Mother

Did Joseph Smith teach spirit birth?
He says no:
http://signaturebookslibrary.org/line-upon-line-11/
He says yes (well, he really says 'maybe'):
Go down to the article ‘A CONTINUATION OF THE SEEDS”: JOSEPH SMITH AND SPIRIT BIRTH
Brian C. Hales*
https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=1071&context=mormonhistory
The Idea of Pre-existence in the Development of Mormon Thought: (audio and a link to the paper): http://www.exploringmormonthought.com/2018/11/the-idea-of-pre-existence-in.html