Columbia subject headings:
Basses (Singers)--Canada--Biography.
Basses (Singers)--Ukraine--Biography.
Hoshuliak, Yosyp, 1922-
Harvard subject headings:
Basses (Singers)--Canada--Biography.
Basses (Singers)--Canada--Correspondence.
Hoshuliak, Yosyp, 1922-
Hoshuliak, Yosyp, 1922---Correspondence.
Ukrainians--Canada--Biography
Princeton subject headings: