Certainly Dubreil was going to get the most out of his Rockefeller scholarship and he next went to Rome where he discussed problems with the geometers Castelnuovo, Enriques and Severi . Dubreil's main interest at that time was algebraic varieties and he believed that he had learnt most from Noether so, before returning to France, his final visit was again to Göttingen to visit Noether .
Totoong Dubreil ay pagpunta sa kumuha ang pinaka-out ng kanyang Rockefeller karunungan at siya susunod na nagpunta sa Roma kung saan siya-usapan mga problema sa geometers Castelnuovo, Enriques at Severi. Dubreil ang pangunahing interes sa oras na iyon ay algebraic varieties at siya sumampalataya na siya had learnt pinaka mula sa Noether kaya, bago bumalik sa France, sa kanyang huling pagbisita ay muli sa Gottingen upang bisitahin ang Noether.