Bersa was born in Dubrovnik. He studied in Zagreb with Ivan Zajc and at the Vienna Conservatory with Robert Fuchs and Julius Epstein. In 1919 he returned to Zagreb, where he worked as a composition teacher at the music academy. He remained there until his death.
- Der Eisenhammer (Oganj), Opera, 1911
- Der Schuster von Delft (Postolar od Delfta), Opera after Hans Christian Andersen, 1914.
- Sablasti (Apparitions) & Sunčana polja (Sunny Fields), symphonic diptych
- Sinfonia tragica "Quattro ricordi della mia vita" (Tragic symphony - Four memories of my life) in C-minor
- Overture drammatica (Dramatic Overture), Op. 25a
- Idillio "Il giorno delle mie nozze" (Idyll - The Day of my Wedding), Op. 25b
- Capriccio-Scherzo, Op. 25c
- Finale "Vita nuova" (Finale - New Life), Op. 25d (unfinished; piano sketch. Orchestrated by his student Zvonimir Bradić, who Bersa gave the exclusive right to do so before he died)
- Hamlet, symphonic poem
- Povero Tonin, elegy for violin and piano
- Andante sostenuto for orchestra
- culturenet.hr - Panorama - Music - XXth Century part I Archived June 7, 2007, at the Wayback Machine
- Free scores by Blagoje Bersa in the Choral Public Domain Library (ChoralWiki)
- Origin of family Bersa de Leidenthal (Heraldrys Institute of Rome)
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