Rabbi Yitzchak Issac HaLevi wrote a 6 volume set of books entitled Doros Rishonim. The only version I found is on Hebrewbooks.org from the 60's. Is there a more recent printing of these books (printed by a publisher) or a new edition?
The correct title is "Doros HaRishonim".
As far as I know, it was NEVER reset in new type.
The edition from the 60's, was a photo offset reprint.
It can be reprinted by special order, for a reasonable price.
Just follow the links on the bottom of the HebrewBooks page: "Order Print Version (External site)".
Or on Amazon: