1. 
   cornicularius
   The senior clerk who was the chief official in charge of the administrative paperwork in the tabularium. He led the tabularium legionis, which consisted of actuarii, librarii and exacti (literally the ones who exacted payments). He was a non-commissioned officer. Various types of other cornicularii ...
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Cornicularius
   NCO with administrative duties.
   Found op http://www.encyclo.co.uk/local/20764
   
   
3. 
   cornicularius
   senior clerk Chief official in charge of the administrative paperwork in the tabularium, assisted by the actuarius and perhaps several librarii.
   Found op http://www.roman-britain.org/military/military_glossary.htm
   
   

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