"Bring Back the Party of Lincoln" http://www.nytimes.com/2014/09/04/opinion/bring-back-the-party-of-lincoln.html?_r=0 (3 September 2014), The New York Times, New York
Heather Cox Richardson: Opportunity
Heather Cox Richardson is American historian. Explore interesting quotes on opportunity.To Make Men Free: A History of the Republican Party https://books.google.com/books?id=s-JzAgAAQBAJ&pg=PP2&dq=to+make+men+free+a+history&hl=en&sa=X&ved=0CCIQ6AEwAWoVChMIq97csor9xwIVRJkeCh3tvg7i#v=onepage&q=to%20make%20men%20free%20a%20history&f=false (2014), p. ix
as quoted in "'Not the true Republican Party': How the party of Lincoln ended up with Ted Cruz" http://www.salon.com/2014/09/29/not_the_true_republican_party_how_the_party_of_lincoln_ended_up_with_ted_cruz/ (29 September 2014), by Elias Isquith, Salon