Columbia subject headings:
Della Rovere, Francesco Maria, duca d'Urbino, 1548-1631--Art collections.
Engraving, Italian--17th century--Exhibitions.
Engraving, Italian--Exhibitions.
Engraving--Private collections--Italy--Urbino--Exhibitions.
Ubaldini, Federico, 1610-1675--Art collections.
Harvard subject headings:
Engraving, Italian--17th century--Exhibitions.
Engraving--Italy--Urbania--Exhibitions.
Ubaldini family--Art collections--Exhibitions.
Urbania (Italy). Biblioteca comunale--Art collections--Exhibitions.
Princeton subject headings:
Della Rovere, Francesco Maria, duca d'Urbino, 1548-1631--Art collections.
Engraving, Italian--Exhibitions.
Engraving--17th century--Italy--Exhibitions.
Engraving--Private collections--Italy--Urbino--Exhibitions.
Ubaldini, Federico, conte, 1610-1657--Art collections.