Sotheby's : London, Thursday 5 July 2001 : Fine Watches, Clocks, Barometers, Horological Books and Mechanical Musical Instruments including the Jack Donovan Collection /

Antzeko izenburuak

• Sotheby's : London, Thursday 26 February 1998 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments /
  Argitaratua: (1998)
• Sotheby's : London, Thursday 1 October 1998 : Important Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /
  Argitaratua: (1998)
• Sotheby's : London, Wednesday 1 October 1997 : Fine Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /
  Argitaratua: (1997)
• Sotheby's : London, Tuesday 23 March 1999 : Clocks, Watches, Wristwatches, Barometers and Mechanical Musical Instruments /
  Argitaratua: (1999)
• Sotheby's : London, Wednesday 24 May 2000 : Important Watches, Clocks, Barometers, Mechanical Music and Scientific Instruments /
  Argitaratua: (2000)