Complex sentence: Originally published in serial form in the newspaper "Sunday Dispatch" from March 14 to April 18,1852, it was unknown and not republished until in 2017 in the academic journal "Walt Whitman Quarterly Review" after it was rediscovered by graduate student Zachary Turpin.
Split into simpler sentences: Originally published in serial form in the newspaper "Sunday Dispatch" in serial form from March 14 to April 18,1852. It was unknown and not republished until in 2017 in the academic journal "Walt Whitman Quarterly Review" after it was rediscovered by graduate student Zachary Turpin.