Polish Sign Language (PJM) is a natural communication system that has been evolving for two centuries. It is at the heart of the identity and culture of the Deaf community in Poland, but it is often marginalized and neglected. It first came under serious linguistic scrutiny not long ago, and more systematic research on it has been initiated in recent years by a team of researchers at the Section for Sign Linguistics at the University of Warsaw.

The Author discusses Anna Idzikowska-Czubaj 's study Cultural and Historical Significance of Rockand Roll in Poland". Rock and roll had immense importance in the contemporary history of Poland. It constituted one of the few fields of relatively free expression of the youth under communist mass culture. On the other hand it is true that communists tried to use it to canalize a potential revolt of young people.