| ACS | American Corner Sofia |
ACV | American Corner Varna |
ACVT | American Corner Veliko Tarnovo |
ASB | American Shelf Bourgas |
ASGD | American Shelf Gotze Delchev |
ASH | American Shelf Haskovo |
ASM | American Shelf Montana |
ASP | American Shelf Pleven |
ASR | American Shelf Razgrad |
ASSZ | American Shelf Stara Zagora |
ASSh | American Shelf Shoumen |
ASSl | American Shelf Sliven |
ASSm | American Shelf Smolyan |
ASSs | American Shelf Silistra |
AST | American Shelf Turgoviste |
