元堂之书法,青年翘楚,而其学问,知者盖寡。今举一事,以谂当世君子。雕板印刷,起于唐,兴于五代,盛于两宋,衍于元明清,衰于民国,今成绝响矣。唐五代印本传世甚罕,治版本之学者,率以宋元为重。明末清初有钱谦益、毛晋、钱曾、季振宜、徐乾学,乾隆间聚于清宫天禄琳琅;中叶则黄丕烈、汪士钟;后期则瞿、杨、丁、陆四家;民国以来则傅增湘、李盛铎、赵万里,皆其卓异者。鉴别之法,举凡版式、字体、序跋、牌记、避讳、刻工、纸张、墨色、装潢、钤记,无所不包。语其通则,张元济先生每言刀法,黄永年先生谓字体最重, Yuantang calligraphy, young leaders, and its knowledge, knowledge of those who cover. Today’s move to be a gentleman. Carving board printing, starting in the Tang Dynasty, Hing in the Five Dynasties, flourished in the two Song Dynasty, derived from the Yuan, Ming and Qing Dynasties, decline in the Republic of China, this intoxial. Tang and Five Dynasties printed very rare, version of the scholars, the rate of emphasis on the Song and Yuan Dynasties. Qian Ming and Qing dynasties Qian Qian Yi, Mao Jin, Qian Zeng, Ji Zhenyi, Xu Qianxue, Qianlong gathered in the palace Tianlu Lin Lang; the middle is Huang Pi Lie, Wang Shizhong; late Qu, Yang, Ding, Lu four; since the Republic of China Fuzeng Xiang , Li Sheng Duo, Zhao Wanli, all of whom are distinguished. Identification of the law, where all typography, fonts, preface and Postscript, card, taboo, carve, paper, ink, decorating, 钤 mind, all-encompassing. Language of its general rule, Mr. Zhang Yuanji every word knife, Mr. Huang Yongnian said the heaviest font,