Complex sentence: By some accounts, Perkins'severe editing of Wolfe's work prompted him to leave the Scribner imprint; other accounts describe Wolfe's growing resentment that his success was attributed by some to Perkins work as editor.
Split into simpler sentences: By some accounts, Perkins'severe editing of Wolfe's work prompted him to leave the Scribner imprint. Other accounts describe Wolfe's growing resentment that some attributed his success to Perkins work as editor.