TY  - BOOK
AU  - Queller,Donald E
TI  - The Office of Ambassador in the Middle Ages / :  
U1  - 341.33 21
PY  - 1967///
CY  - New Jersey : 
PB  - Princeton University Press, 
KW  - Public international law
UR  - https://fll.law.cu.edu.eg/fulltext/bks/B11-06890.pdf
ER  -