Get historic prices by ISIN from yahoo finance

Question

I have the following problem:

I have around 1000 unique ISIN numbers of stock exchange listed companies.

• I need the historic prices of these compa

Answer 1

I found a Web-Service which provides historic data based on date range. Please have a look

http://splice.xignite.com/services/Xignite/XigniteHistorical/GetHistoricalQuotesRange.aspx