Porto

4 makers. The earliest year printed is 1860, the latest 1900.

Every maker here has Porto in a printed line.

1800s

• 1860 Sanhudo, Sebastião
  Sanhudo, Sebastião. — Porto. 1860
• 1867 Cruz-Múra, Antonio Joseph da
  Cruz-Múra, Antonio Joseph da. — Porto. 1867.
• 1899 Silva, Julio Thomas da
  Silva, Julio Thomas da. — Porto. 1899.

1900s

• 1900 Cunha-Mello, Joaquim da
  Cunha-Mello, Joaquim da. — Porto. 1900

The books that name them

• Die Geigen und Lautenmacher vom Mittelalter bis zur Gegenwart, 1922
• Die Geigen- und Lautenmacher vom Mittelalter bis zur Gegenwart, 1904

Some names appear twice under different spellings. Each is one book's spelling.