21-րդ դար : «Նորավանք» գիտակրթական հիմնադրամի հանդես = 21-й век : Журнал фонда «Нораванк».
21st century = 21-i vek = Нораванк = 21-րդ դար /
30 giorni : nella Chiesa e nel mondo.
A R S : Ежемесячник искусства и литературы.
Abhandlugen der Mathematisch-physischen Classe der Koiglich Sachsischen Gessellschaft der Wissenschaften.
Abstarcts of World Medicine : A monthly critical survey of periodicals in medicine and its allied sciences.
Abstracts of Hungarian economic literature /
Abstracts of north American Geology /
Abstracts of Romanian scientific and technical literature.
Academie Spectrum : Berliner Journal Fur den Wissenschaften.
Academy architecture and architectural review.
Accademie e biblioteche d'Italia.
Accessions list, Middle East.
Accord
The Accounting Review.
ACHV : Air conditioning, heating and ventilating.
Acme : Annali cella Facolta di filosofia e lettere dell universita statale di Milano.
Acoustics today.