[78-L] Columbia WWI multi colored illustrated labels

[Steve Shapiro]

E.g. See  http://www.ebay.com/itm/COLUMBIA-SPECIAL-WORLD-WAR-1-MEDICAL-LABEL-E-2942-/370998600660

http://www.ebay.com/itm/BITAR-BISHRO-No-1-2-SYRIAN-ARABIC-COLUMBIA-78-/400647330465?nma=true&si=j8RfWCbnOvIF2g0hzK5wq9CeRMo%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557

I have seen various records like this, mostly German but also Hungarian, mostly 10 inch, also one German 12 inch.

Does anybody know the story behind these records, seen them in any special Columbia catalogues, articles in Talking Machine World, etc.?
Thanks./steve
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