此问题问的有些幼稚。works 复数形式指“作品”，既然是名词，为何不可以作句子主语？
His works are included in this anthology of stories.
这本小说集收录了他的作品。
《汉英大词典》
Works of art and priceless historical records were ruthlessly destroyed.
艺术品和珍贵史料全被无情地毁掉了。
《汉英大词典》

 working 是动名词，当然也可以作主语。不过，它表示“工作” 的这种动作和行为。