There are lots of very interesting articles in this journal, interesting points of view, full diaries, like that of von Loßberg about his experiences in the French Revolutionary Wars, or a series about the 1796 campaign in Germany,
The SLUB in Dresden has very nice scans, including fold out maps - in contrast to google, almost complete
alas volume 72 is missing
in case you know a link for download on that one please let me know.
Also interesting would be a volume with contents.
For SLUB - see