what's a Monograph?

 I'd like to educate the public reader on what a monograph is, because in "The Information- Literate Historian" by: Jenny L. Presnell, she doesn't quiet give a clear example I felt that she took what she wrote for primary document and put it where monograph was as well... Monograph's can all be primary documents but not all primary documents can be monographs, here's 4 easy things to look for when looking for a MONOGRAPH:

• One-volume work
• Gives in-depth treatment to a specialized subject
• Written by a scholar in the field
•       Usually published by a university and not a normal publishing company
• Written mainly for an academic audience
•        They will ALWAYS have an intense Bibliography. 

Bibliography:
http://www.library.illinois.edu/learn/tutorials/monograph.html