You can consult the part that has already been catalogued throught the Catalog Server of the University of Valladolid. Then apply a search with the signature filter and add the next criteria for the area of your interest:

• J/Cea As for Asia.
• J/Cea Ch for China.
• J/Cea Co for Korea.
• J/Cea In for India.
• J/Cea Jp for Japan.

It will show you all the books that have been cataloged until that moment.