After creating his own minor grouping, the Socialist Party of Workers (later known as Independent Socialist Party), in 1928, Cristescu joined the minor and Unitary Socialist Party in 1932 (a Marxist group led by Leon Ghelerter, Ștefan Voitec, and Constantin Popovici, it eventually dissolved itself under pressure from the Communist Party in 1944).
Constantin Stanislavski | Carl Constantin Platen | Constantin Wilhelm Lambert Gloger | Constantin Argetoianu | Vacheron Constantin | Constantin C. Giurescu | Constantin Cantacuzino | René Auguste Constantin de Renneville | Johan Albert Constantin Löfgren | Glen Constantin | Georg Abraham Constantin von Arnim | David Constantin | Constantin von Wurzbach | Constantin von Economo | Constantin Stamati-Ciurea | Constantin Sotiropoulos | Constantin Sănătescu | Constantin Rădulescu-Motru | Constantin Popovici | Constantin Niță | Constantin Floros | Constantin Daniel Stahi | Constantin Croitoru | Constantin Costa-Foru | Constantin Coandă | Constantin Carathéodory | Aurel Popovici |