TY  - SER
AU  -  Crailsheim, Eberhard
AU  -  Elizalde, Maria Dolores
TI  -  The representation of external threats: from the middle ages to the modern world 
U1  -  355.033 
PY  - 2019///
CY  -  Leiden
PB  -  Koninklijke
KW  -  National security
KW  -  History
KW  -  Threats
N1  -  Includes bibliographical references and index
ER  -