1967
United States. Army Map Service.
1955
[London] : War Office.
1956
[London] : D. Survey, War Office & Air Ministry
1955
[London] : War Office.
1967
United States. Army Map Service.
1723
Gerard van Keulen
1941
[Berlin] : Der Oberbefehlshlshaber der Luftwaffe, Fu̡hrungsstab IC
1755
apud I. Cóvens et C. Mortier
1:600k
1400
1878
LANG, Robert Hamilton Sir, K.C.M.G