Singer : krajiny paměti /
Sofia /
The Singers Unlimited
Linha singers
The Swingle Singers
Sofia´s feelings /
Sofia Rotaru
Sofia Lorenová /
Sofia Reiseführer.
Hagia Sofia.
The hundred-yen singer /
California jubilee singers
Sofia and the baby bird /
I am Sofia /
Obývačkový program SOFIA.
International regulatory competition and coordination. : Perspectives on economic regulation in Europe and the United States. /
The Competition problems from the international chemistry olympiads /
The Competition problems from the international chemistry olympiads / Volume 2 21-40 ICHO
Second International Congress of Nephrology : Prague, Aug. 26-30, 1963 : Abstracts of Report and Of Communications.
Second international competition for young opera singers, Sofia 1963