Businessweek: "John P. Breyer – Chairman, IDG Capital Partners retrieved October 24, 2013 "Breyer elected to Harvard Corporation".
Harvard School of Business Alumni Bulletin.  ^ Businessweek: "John P. Breyer - Chairman, IDG Capital Partners retrieved ngày 24 tháng 10 năm 2013 ^ a ă â “Breyer elected to Harvard Corporation”.