Thanks. I know this sources already, I was more digging into the internet archives, if somebody have trade data (or even average or close daily data) from BTC-E, where LTC have started trading on LTC/USD and LTC/BTC markets. For BTC/USD there is BraveNewCoin Liquid Index for Bitcoin - so it's much easier to see the charts (from Mt.gox).

But with LTC it's much, much harder, as I see.