1) Bailiwick 2) Branch of knowledge 3) Discipline 4) Field 5) Field of study 6) Study 7) Subject 8) Subject area 9) Subject field 
study of documents to determine authenticity
[n] - the scientific study of documents and handwriting etc. especially to determine authorship or authenticity
bibliotics, bibliotiks Analysis of handwriting, documents, and books; especially, for authentication of authorship.
noun the scientific study of documents and handwriting etc. especially to determine authorship or authenticity
the analysis of handwriting and documents, esp. for authentication of authorship.