Yves Z, 26/05/2014 02:25:
Thanks, is there a way to search Commons by date-range or by file-type?
http://tools.wmflabs.org/catscan2/catscan2.php?language=commons&project=...
I see pdfs, are there odp or ppt decks also?
No. https://bugzilla.wikimedia.org/show_bug.cgi?id=2089
Nemo