Erazhisht Ṛubēn Grigorean
By: Ōshakan Abeghay ; Karō Pʻapʻazeani haṛajabanov.
Publisher: [s.n.]
Published: 1957
Place of publication: Poston
Language: arm
Number of pages: 58
Subjects: Gregorian, Rouben.; Conductors (Music) -- United States -- Biography.
Genres: Biography.
Notes: Armenian and English.