selected essays of Wang Kefei Essays and reviews selected essays of Huang Guowen selected essays of Yan Chensong selected essays of Liu Long selected essays in Leibniz studies 人类状况百科全书：杰夫·戴尔评论集．上：selected essays and reviews 人类状况百科全书：杰夫·戴尔评论集．下：selected essays and reviews selected papers of memes and memetics selected essays by Werner J. Cahnman