Encyclopedia of Crisis ManagementMatt Statler, Ryan Hagen, K. Bradley Penuel · First published 2013Open the Tome
MageStewart Wieck, Mark Rein-Hagen, Sam Chupp, Robert Hatch, Kathleen Ryan, Stephen Wieck · First published 1993Open the Tome
Iagttagelser over mosernes udbredelse i den sydvestlige del af Smålenenes amtElling Ryan, I. Hagen · First published 1896Open the Tome
