Columbia subject headings:
Composers--Correspondence.
Lasso, Orlando di, 1532-1594--Correspondence.
Wilhelm V, Duke of Bavaria, 1548-1626--Correspondence.
Harvard subject headings:
Composers--Correspondence
Lasso, Orlando di, 1532-1594--Correspondence.
Wilhelm V, Duke of Bavaria, 1548-1626--Correspondence.
Princeton subject headings:
Composers--Correspondence.
Lasso, Orlando di, 1532-1594--Correspondence.
Wilhelm V, Duke of Bavaria, 1548-1626--Correspondence.