Ron Holl ron at scribblemonger.com
Sat Nov 5 22:37:18 EDT 2011

Go here:

And you will find this:

You can use this information to help in dating dust jackets and to
determine later first editions (those without reliably complete title
lists on the DJ inverse):

    With the single exception of 160.3 Auden's Selected Poetry (Second
Edition), any jacket with an ISBN is not a first. So if you have a
book with a genre variety 3, 4, or 5 DJ, it's not a first.
    All other first edition titles published with type 14 bindings likely
had o2 dust jackets.

I don't think it can be much clearer than "with the single exception".

> I thought the note was appropriate because of the date -- September
> 1970. By then ISBN numbers seemed to be in common use; thus it might
> be easy to think that a DJ with an ISBN was proper for a first printing.
> And I have no problem with adding the note to the issues you mention.
> As to the ISBN section, if you think it would be helpful I'll be glad
> to work with you on creating it.

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