You could always read this book :)
http://www.amazon.co.uk/Theres-Always-Something-Do-Investment/dp/0773538631/ref=sr_1_1?ie=UTF8&qid=1382036946&sr=8-1&keywords=there%27s+always+something+to+do
T-bone1 is correct. I believe in that same Fortune interview or somewhere else they straight up asked him if you have an equal candidate who would you promote, and he said a woman.
Did a search for Korean Preferred but did not see anything come up. Has anyone looked into any of the Korean Preferred that he mentions here and a few other places?
In the book "Outsiders" the following sources were used and the prices in there went all the way back "Center for Research in Security Price" and "Computstat". Not sure if the CRSP is open to anyone but potentially gives you the information you need.