[1] : The Collaborative International Dictionary of English v.0.48

yourself \yourself"\, pron.; pl. yourselves. your + self.
   an emphasized or reflexive form of the pronoun of the second
   person; -- used as a subject commonly with you; as, you
   yourself shall see it; also, alone in the predicate, either
   in the nominative or objective case; as, you have injured
   yourself.
   1913 webster

         of which right now ye han yourselve heard. --chaucer.
   1913 webster

         if yourselves are old, make it your cause. --shak.
   1913 webster

         why should you be so cruel to yourself ? --milton.
   1913 webster

         the religious movement which you yourself, as well as
         i, so faithfully followed from first to last. --j. h.
                                                  newman.
   1913 webster
see also:
yourselves 

[2] : WordNet (r) 2.0

yourselves
     see yourself
see also:
yourself 

Yourselves >> Y Words
Yourselves, definition of term: Yourselves
yourselves_pag1.html