Organisations
Hungary
Hungarian Freemasonry (Galilei Circle, Szabadgodondolat, National Civic-Radical Party)
Government of Béla Kun [1919]
Familial and personal social network
Vienna
Austrian Freemasonry – le Great Orient of Austria
Workers Educational Association
Bécsi Magyar Újság [1921-1923]
Séminaire privé [1924-?]
Der Österreichische Volkswirt [1924-1934]
Divers
England [1934-1941 ; 1944-1946]
Christian Left [1934-1940; 1943-1946]
New Britain [1934]
Fabian Society
Balliol College
Hungarian Council
United States of America [1941-1943; 1947-1964]
Bennington [1941-1943]
Columbia University [1947-1953]
Funds (Rockefeller, Ford, Carnegie)
International
Pilgrims Society