Column 1 has Hinrichsen numbers which are also links to the website Baedeker Datenbank und
Kenner-Referenz, each link goes to an individual edition page.
Column 2 has the year of publication.
Column 3 has the edition number.
Column 4 has the page and prefix numbers (not currently showing for all titles).
Coulmn 5 has the number of maps and plans each edition has.
Column 6 has other notes about the edition.