Hal Leonard Publishing Corporation (6) Leonard, Elmore (3) Lansdale, Joe R. (2) Martyn Hanson (1) Dijkstra, Hylke (professor Of International Security And Cooperation, Von Allworden, Laura (postdoctoral Researcher At The International Relations Chair, Schutte, Leonard (senior Researcher, Zaccaria, Giuseppe (research Associate In Political Science (1)