The course is based on careful readings of primary source documents, with commentaries.

本课程需要对基本阅读材料进行仔细的阅读，然后进行评论。

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In this book, the authors have not altered primary source documents nor suppressed historically sensitive information.

在本书中，作者既没有改换重大的原始文献，也没有隐瞒敏感的历史资料。

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Middle Search Plus also contains 84,774 biographies, 100,554 primary source documents, and an Image Collection of 202,164 photos, maps and flags.

中央搜寻加号也包含84,774本传记，100,554个主要的来源文件，和一图像202,164张相片、地图和旗子的收集。

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National or regional NNAs can have access to the primary source documents.

FORBES: LEI -- Think Global, Register Local, Says CUSIP

Partnering with local universities or foundations, they scoured local archives and repositories owned by artists, their families, universities or museums, to identify, scan and catalog the primary source documents, selectively, for inclusion in the archive.

WSJ: Mari Carmen Ram��rez | Derivative Works No More | Cultural Conversation by Judith H. Dobrzynski