Complex sentence: During the seven years in which he was active, Joehana wrote numerous stories and articles, as well as several novels; the years of publication are generally unclear, as reprints did not include the year of first publication, nor the printing number.
Split into simpler sentences: During the seven years in which he was active, Joehana wrote a number of stories, articles, and several novels. The years of publication are generally unclear, as reprints did not include the year of first publication, nor the printing number.