 As "D. Ghirca", Theodorescu became staff writer for Pamfil Șeicaru's "Țara Nouă", working alongside Cezar Petrescu, Victor Ion Popa, and Gib Mihăescu.This newspaper campaigned for an emergent left-wing group, the Peasants' Party, which channeled its efforts into defeating the "oligarchic" National Liberal establishment.He registered as a party member in or around February 1919.