Complex sentence: Ting used his position in Jiangsu to purchase books from destitute Chinese for cataloguing, writing the second elaboration from his home, while the third was spearheaded by the commissioner of education, Chiang Piao.
Split into simpler sentences: Ting used his position in Jiangsu to purchase books from destitute Chinese for cataloguing, later writing a more complete catalogue from his home. The third was spearheaded by the commissioner of education, Chiang Piao.