Sub Headings of 4820

4820.10.20. Diaries, notebooks and addressbooks, bound; memorandum pads, letter pads and similar articles
4820.10.40.00 Other
4820.20.00.00 Exercise books
4820.30.00. Binders (other than book covers), folders and file covers
4820.40.00.00 Manifold business forms and interleaved carbon sets
4820.50.00.00 Albums for samples or for collections
4820.90.00.00 Other