A Homily of Saint Gregory the Great on the Pastoral OfficePope Gregory I, Patrick Boyle · First published 2018Open the Tome
FundamentalsDr. david Gregory, Tracey Stephens, Christy Raymond-Seniuk, Linda Patrick · First published 2015Open the Tome
Why Stocks Go Up and Down, 4EWilliam H. Pike CFA, Patrick C. Gregory CFA · First published 2013Open the Tome
Decision making in systems engineering and managementGregory S. Parnell, Patrick J. Driscoll, Dale L. Henderson · First published 2008Open the Tome
