Quote:
Originally Posted by igorius
I have seen the 979 only from amazon-books, this is why i want them separated from the "typical suspects". And i have a lot of old books which dont have ISBN: Books from GDR, all books older than somewhen in the 50s.
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ISBN was introduced in 1970, though I've occasionally seen reprints of books from the 50s or 60s to include one.