39. The method of claim 38 , wherein comparing writing in the first non-signature  information field of the document to information from a corresponding information non-signature field of at least one other document comprises determining whether the writing in the first non-signature information field of the document matches an entry in a lexicon associated with the information in the second non-signature information field of the document, wherein the lexicon is based on at least one other document.
39. The method of claim 38 , wherein comparing writing in the first non-signature  information field of the document to information from a corresponding information non-signature field of at least one other document comprises determining whether the writing in the first non-signature information field of the document matches an entry in a lexicon associated with the information in the second non-signature information field of the document, wherein the lexicon is based on at least one other document. 40. The method of claim 39 , wherein the first non-signature information field is a payee field, wherein the second non-signature  information field comprises information associating the document with an account, wherein analyzing the correlation between the first and second non-signature information fields comprises reading at least one payee name from the lexicon, wherein the lexicon comprises payee names associated with the account; and wherein comparing writing in the first non-signature information field of the document to information from a corresponding non-signature information field of at least one other document comprises determining whether a payee name in the first non-signature information field of the document matches at least one payee name in the lexicon.