Discovery of North America /
Early iconography of sts. Cyril and Methodius in slav eastern churches. /
The land and wildlife of North America /
The Psychiatric clinics of North America. Volume 1, nr. 2 /
Medical clinics of North America.
Pediatric clinics of North America.
British North America at confederation /
Black and White in North America. : Selected Sources. /
North America its Countries and Regions /
A regional geography of North America /
Forest Tree Seed of the North Temperate Regions, with Special Reference to North America.
Facts on file national profiles: North America. /
First love, last rites /
The Rite of spring. : 1. CD.
The re-establishment of the greek-catholic church in Czechoslovakia.
Great American Frontiers: America´s Great NorthWest
Ancient Folk-literature from North-eastern Tibet : introductions, text, translations and notes /
Romanesque churches /
Wooden churches /
Atlas hierarchicus ecclesiarum catholicarum orientalium.
Počiatky slovenských dejín a obdobie Veľkomoravskej ríše. Slovensko v
Great Moravia. In the light of recent research 1945-1975.
Dejiny kresťanstva na Slovensku.
Slovak bibliography abroad 1945-1965.
Slovak bibliography abroad 1966-1975.
Le rétablissement de l`Eglise grecque-catholique en Tchécoslovaquie.
The churches of eastern rite in North America.
Le Chiese Orientali nell`America del Nord.
Unionsbewegungen im slawischen Raum und in Rumänien.
Les Englises orientales en Amerique du Nord.
Le Chiese orientali.
Undicesimo Centenario della Nissione dei Ss. Cirillo e Metodio presso i popoli Slavi. /
Užhorodská únia.
Glagolská alebo rímsko-slovenská bohoslužba.
Zničenie gréckokatolíckeho biskupstva v Prešove (1950-1960).
Historia Balcanica. Pars 2. Historia recentior.
Historia Balcanica. Pars 3. Historia moderna.