monograph vs position paper

monograph

noun
  • A scholarly book or a treatise on a single subject or a group of related subjects, usually written by one person. 

verb
  • Of the FDA: to publish a standard that authorizes the use of (a substance). 

  • To write a monograph on (a subject). 

position paper

noun
  • An essay or report which expresses a position, conclusion, or recommendation concerning a contested issue or undecided question and which usually contains arguments or reasons in support of this position. 

How often have the words monograph and position paper occurred in a corpus of books? (source: Google Ngram Viewer )