Existing in a variety of forms, the quatrain appears in poems from the poetic traditions of various ancient civilizations including Ancient India, Ancient Greece, Ancient Rome, and China; and, continues into the 21st century, where it is seen in works published in many languages.
I always thought that Mgr. refers to a manager and that's what you find in dictionaries as well. People in Czech use it to stress the fact they are the boss:) Magistr does apply to Master, as in Master's degree, and short versions are M, MAS, or mstr.
Please click here if you are looking for the full references for the Czech Republic. 1  Ministry of the Environment of the Czech Republic (2009) 2  Solomon et al. (ed.) (2007), in: Ministry of the Environment of the Czech Republic (2009) 3  KyselÃ½ and BeranovÃ¡ (2008) 4  Commission of the European Communities (2007) 5  Kysely (2010) 6  Huth et al.