They have the ÖMZ as well, seemingly endless volumes.
Still I have difficulties to comprehend the search facilities which are quite nice, in case one comprehends them, which I obvioulsy don't, like Krieg 1809 then periodicals and then you will find even for periodicals a small index relating or unrelating to the search.
Also - I have so far not found out how to search for
Oesterreichische militärische Zeitschrift
and get such a niece overview in perfect order as for the
It is realy nice, one can download just the topics one is interested.