St. Joseph is the "principal patron" of the Diocese of Buffalo! Everything you need to know about St. Joseph, whose Solemnity we celebrate on 19 March, is available at http://www.churchyear.net/stjoseph.html.
For those who want to go deeper into the theology of St. Joseph, we highly recommend Blessed John Paul the Great's "Redemptoris Custos" http://bit.ly/xwJhld
Here is a short video highlighting the beauty of St. Joseph's Cathedral of the Diocese of Buffalo: