The working class Republican : Ronald Reagan and the return of blue-collar conservatism /

por Olsen, Henry (Political consultant)
New York, NY : Broadside Books, an imprint of HarperCollinsPublishers, 2017
First edition.

The four faces of the Republican Party : the fight for the 2016 presidential nomination /

por Olsen, Henry (Political consultant), Scala, Dante J.
Houndmills, Basingstoke, Hampshire ; New York, NY : Palgrave Macmillan, 2016