[daniel1212]

You may want to see,

http://www.christiantruth.com/articles/vaticanIanddevelopment.html

http://reformation500.wordpress.com/2010/01/14/historical-literature-on-the-earliest-papacy/

http://thulcandra.wordpress.com/2007/11/30/klaus-schatz-on-priesthood-canon-and-the-development-of-doctrine/

[count-your-change]

Thank you for the links, I’ve been rather slow in reading them.