100+ mentions are found for request
different sources from the year —1902 (15) 1906 (2) 1917 (41) 1932 (1) 1938 (42) 1942 (26) 1943—2007 (5)

Hugo Pollak

Source: 'Hartmann's General List of Apartments in Zagreb , year 1902.

Hugo Bleske

Source: 'Hartmann's General List of Apartments in Zagreb , year 1902.

Hugo Hartl

Source: 'Hartmann's General List of Apartments in Zagreb , year 1902.

Hugo Mihalić

Source: 'Hartmann's General List of Apartments in Zagreb , year 1902.

Hugo Mihalić

Source: 'Hartmann's General List of Apartments in Zagreb , year 1902.

Hugo Raškaj

Source: 'Yearbook and Directory of Literary Society of St. Jerome 1906 , year 1906.

Hugo Lederer

Source: 'Yearbook and Directory of Literary Society of St. Jerome 1906 , year 1906.

Hugo Pisacic

Source: 'List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia , year 1917.

Hugo Spitzer

Source: 'List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia , year 1917.

Hugo Deutsch

Source: 'List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia , year 1917.