The Czech phone book is at http://phone.quick.cz
To find information on the town: http://mesta.obce.cz
www.hosmanek.com/slovak some Czech sites too
www.iarelative.com Czeching out our Ancestors.

There is a listing for Josef Kadela in the town of Stranecka Zhor's phone book and one more Kadela in Velke Mezirici's.

the P. Merin most likely stands for Posta-Post Office Merin
not used anymore since they use zip codes which goes before a name of the town.