Basarabia la Conferinta româno-sovietică de la Viena (1924). 1 / Ion M. Oprea

by Oprea, Ion 1982
Published in: Revista istorică. - Academia Română, Institutul de Istorie "N. Iorga" 3 (1992), S. 23 - 37

Library: Institute for Contemporary History (Munich)

Basarabia la Conferinta româno-sovietică de la Viena (1924). 2 / Ion M. Oprea

by Oprea, Ion 1982
Published in: Revista istorică. - Academia Română, Institutul de Istorie "N. Iorga" 3 (1992), S. 707 - 724

Library: Institute for Contemporary History (Munich)

Concepţia româniei şi cehoslovaciei asupra securităţii colective europene şi colaborarea lor împotriva facismului : (1930 - 1939). 1.2 / Ion M. Oprea

by Oprea, Ion 1982
Published in: Revistă de istorie. - Academia Română 39 (1986), S. 1082 - 1094, 1200 - 1214

Library: Institute for Contemporary History (Munich)

Diplomatičeskaja dejatelʹnostʹ Nikolae Titulesku / I. M. Oprja

by Oprea, Ion 1982
Published: Bucharest : Akad, 1970

Library: Institute for Contemporary History (Munich)

Nicolae Titulescu's diplomatic activity / I. M. Oprea

by Oprea, Ion 1982
Published: Bucharest : Publ. House of the Acad. of the Socialist Republic of Romania, 1968

Library: Institute for Contemporary History (Munich)

L'activité de Nicolae Titulescu durant sa mission diplomatique à Londres : (1922 - 1932) / par Ion M. Oprea

by Oprea, Ion 1982
Published in: Revue roumaine d'histoire. - Académie Roumaine, Section des Sciences Historiques et d'Archéologie 5 (1966),3, S. 425 - 439

Library: Institute for Contemporary History (Munich)