The Collaborative International Dictionary of English v.0.48:
Yourself \Your*self"\, 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
Of which right now ye han yourselve heard. --Chaucer.
If yourselves are old, make it your cause. --Shak.
Why should you be so cruel to yourself ? --Milton.
The religious movement which you yourself, as well as
I, so faithfully followed from first to last. --J. H.
Moby Thesaurus II by Grady Ward, 1.0:
34 Moby Thesaurus words for "yourself":
I, I myself, alter, alter ego, alterum, better self, ego,
ethical self, he, her, herself, him, himself, inner man,
inner self, it, me, my humble self, myself, number one, oneself,
other self, ourselves, self, she, subconscious self,
subliminal self, superego, them, themselves, they, you,
yours truly, yourselves