52 mentions are found for request
different sources from the year —1902 (2) 1906 (9) 1917—1930 (6) 1938 (5) 1942 (11) 2007 (19)

Slavko Brcković

Source: 'Encyclopaedia of Croatian Surnames , year 2007.

Nikola Berković

Source: 'Encyclopaedia of Croatian Surnames , year 2007.