Prior to becoming the minister, Derussi was the first Romanian envoy plenipotentiary to Stockholm appointed on April 1, 1917. On May 1, 1917, Derussi was also accredited to Oslo and Copenhagen, where Romanian diplomatic missions opened simultaneously.[6]
^Revue roumaine d'études internationales. Romania: Association de Droit International et de Relations Internationales de la République Socialiste de Roumanie. 1972. p. 178. Retrieved 2010-08-31.