四 延安根据地许多机关团体学校，为革命战争、根据地建设、教育等，也曾出版过大量革命书刊。它们大体可分为三大类型：一是党政军机关的出版物；二是有关人民团体、学术机构的出版物；三是有关学校的出版物。 　　(一 )党政机关出版物 　　首先，是党中央和中央边区中央局等 A large number of revolutionary books and periodicals have also been published by many organ groups and schools in the four Yan’an base areas for revolutionary wars, base construction and education. They can be broadly divided into three types: one is the publication of the organs of the party, the government and the military; the other is the publication of the relevant mass organizations and academic institutions; and the other is the publications of the schools concerned. (A) The publications of party and government organs First of all, is the Central Party Central Committee and the Central Border Area Central Bureau