TITLE: Reference for proof that consistency of $\omega_1$-Erdos cardinal implies Con(Chang's Conjecture)
QUESTION [8 upvotes]: What is a good source for Silver's proof (or a more modern version) that Con($\exists \omega_1$-Erdos cardinal) implies Con(Chang's Conjecture)?
Silver's original proof seems to have never been published and I didn't find a proof in the set theory books I looked at (i.e. Jech's "Set Theory: the 3rd Millennium Edition" and Kanamori's "Higher Infinite")

REPLY [6 votes]: A sketch of Silver's original argument appears in section 19 here: http://math.bu.edu/people/aki/e.pdf