Hey dad...

There is a lot to be said. More to be read too. I have the translation of the book in French and maybe German too - i think he made them at that time. 

Also, he didn't get to finish his big book - so, there is more on this sunject - but in the meantime, if you read Romanian - you can try this. 

I hope you'll enjoy it. 

http://cartibunegratis.blogspot.ro/2013/01/constantin-fantana-sentinta.html