
1) Work about history
Found on
https://www.crosswordclues.com/clue/primary-source

the originator of a primary record. A primary record is a resource created by the same people that initially experienced or used it. They create the records for their own purposes, records that often remain unpublished. Sometimes they witness an event, sometimes they are involved in an event, and sometimes the record is directly created by the even...
Found on
http://en.wikipedia.org/wiki/Glossary_of_information_science_terms

Primary sources are original materials that have not been altered or distorted in any way. Information for which the writer has no personal knowledge is not primary, although it may be used by historians in the absence of a primary source. In the study of history as an academic discipline, a primary source (also called original source or evidence)...
Found on
http://en.wikipedia.org/wiki/Primary_source

Literary scholars distinguish between primary sources, secondary sources, and educational resources.
Found on
http://www.encyclo.co.uk/local/22385

the originator of a primary record. A primary record is a resource created by the same people that initially experienced or used it. They create the records for their own purposes, records that often remain unpublished. Sometimes they witness an event, sometimes they are involved in an event, and sometimes the record is directly created by the even...
Found on
http://www.translationdirectory.com/glossaries/glossary252.php
No exact match found.