We list some of them, but adding all of these would be difficult without knowing the language. (Google Translate only works so well...) I don't suppose any readers here know Polish well enough that they'd be willing to submit some via our convention submission form? http://fancons.com/events/submit.shtml
-PatrickD AnimeCons.com Executive Producer
Co-Founder: Anime Boston and Providence Anime Conference
Host of The Chibi Project & Anime Unscripted™
I feel like I might know someone who speaks Polish among Hartley's opera buddies. I'll keep an ear out to see if any of them are into anime or cons and see if I can get their help