Mortigjija was appointed as an assistant in the department of economic history at the High Economic and Commercial school in Zagreb, but never worked in the position because he was too busy doing editorial work.
Mortigjija je izabran za asistenta na katedri ekonomske povijesti Visoke ekonomsko-komercijalne škole u Zagrebu, no na tom mjestu nikada nije počeo raditi zbog zauzetosti uredničkim poslovima.