豆瓣介紹:https://book.douban.com/subject/27665420/
有聲書:https://www.youtube.com/watch?v=yVQ4vZ_Nl34&list=PLVegkcwAeTc6WIJn1yMpqIRWiX4kL_G7Q
畢藍老師的博客:1-179 ( 1-99 已出版 ) http://easyhistoryus.com/