4. A method for using a computer system to generate a supplemental reference document associated with a section of electronic text comprising: a. using a first wordlist comprising words present in at least one section of text; b. using at least one additional wordlist created independently of the wordlist of step a; c. performing at least one operation on the wordlists of steps a and b to generate another wordlist; d. storing information about each word in the wordlist of step c on the computer system, a portion of said information obtained from a reference distinct from said section of electronic text; and e. generating a supplemental reference document containing at least one word from the wordlist of step c together with the related information of step d, wherein said supplemental reference document comprises entries based on the wordlist of step c.
15. The method of claim 4, wherein the information of step d comprises at least one definition of the word.