由于周作人著述宏富、文体驳杂、作品发表地多样等原因,对遗落于周氏三十六种现存自编文集之外的“集外文”的发掘和辑佚工作遂成为复杂的系统工程。《周作人集外文》(陈子善、张铁荣编,海南国际新闻出版中心,1995年)、《周作人散文全集》(钟叔河编,广西师范大学出版社,2009年)的出版是该项工作的重要收获, Due to Zhou Zuoren’s writings of a wealth of works, complicated styles of writing and works, his work has been published in various places, the excavation and the collection of lost works that were left in the thirty-six kinds of existing self-compiled collections of Zhou’s books became complex systems engineering . The publication of Zhou Zuoren’s Collection of Foreign Languages ​​(by Chen Zishan and Zhang Tierong, Hainan International Press and Publication Center, 1995) and the publication of The Complete Works of Zhou Zuoren’s Prose (Zhong Shuhe, Guangxi Normal University Press, 2009) is an important achievement in this work ,