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犹如江河不择细流，由万流汇集而成长江，任何一股涓滴细流注入长江，便与长江合而为一，都是长江的一分子，成为生命共同体。
故自大印刷史观的立场，从源头铺陈雕版印刷演进的史实，不必强行一刀切出偏颇不实的发明年代，则原属民间长期集体创作的雕版印刷，自宋代以来关于发明年代问题的争论，到此可以中止。
The invention of engraving printing comes from a great variety of        sources like the makeup of the Yangtze River        by S.T.Lee        Abstract:        It was publicly recognized that the inventions of engraving printing and        movable type come from China; Yet, it remains uncertain about the time        of inventing an cngraving printing. This is till unanswered because many        confusing adocacies over the issue avail among thoes who study the        printing histroy.        Since engraving printing has come through thousands of years and        hundreds of ancient talents whose hard work and long-accumulated        experinces had made it possible, the gradual development of the        invention was a collective work of creation. It was obviously not a kind        of invention accmplished by any one single person in a certain        particular frame of time. Take the makeup of a river for examole, it is        all the source and tributaries that make it possible and great. Like the        Yangtze-River in China, all its sources and tributaries, even small        drops flow together to make it up a great river, of which they are all        its constuents and unseparable bodies of water.        Asengraving pringting was originally a grass roots craft, it was ignored        and less written down by the intellects of the age. The best way to        write a true history is to preserve the truth and originality of the        past.        In riew of the great history of graphic arts, engraving printing is a        kind of gradual development derived from all sources. It is attributed        to a long process of hard work of a collective creation by common        people. There is on need to look for a non-existing definitive time of        invention by a clear-cut approach. It is, therefore, advisablethat the        long-engaged controversies over this issue since the Soong Dynasty be        ended.        一、前 言        讨论雕版印刷术发明年代的论文和书籍，为数已多；研究雕版印刷史的专家学者，亦复不少；而且历时已久。
但直到现在还莫衷一是，各执一词，每因抓住文献中的片言只字，便自下结论，所以迄今仍无定论。
生为中华民族子孙，对先贤发明印刷术的伟大贡献，理应负起传承和发扬光大的责任。
由于以往研究雕版印刷的史学专家，每将绵延不可分的历史演进，随意切割成条块区隔，致自陷迷阵，至今得不到确切的答案。
本文试以长江源头为例，说明本来没有确切发明年代的雕版印刷，因是民间工匠技艺，读书人向来不重视，故极少为文著录，现在要强行定出一个自以为是的发明年代，实属庸人自扰。
不如返本归原，保留史实，只要照印刷科技演进经过铺陈史实，便是真正的雕版印刷史。
二、长江源头        江有源头，树有根。
但江源不止一处，“江源如帚”。
树根不止一支，树根也“如帚”。
我国大河的长江，全长6,300公里，蜿蜒流经九省后入海。
1995年6月10日，中国电视公司的“大陆寻奇”外景队发现，在青海与康藏交界处的唐古拉山格拉丹东主峰（高6,621公尺）下，冰塔如林，四十多条冰川融冰之水，才是长江的真正源头。