Baccio Bandinelli (Italian) (Bartolommeo di Michelangelo de Brandini) (1493-1560) (Florence)

"Three Philosophers holding Tablets at an Altar", pen and brown ink (400 x 295 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Luca Cambiaso (Italian) (Luchetto da Genova) (1527-1585)

"The Holy Family in the Carpenter's Shop: Jesus hold a lamp while Joseph carves a design", pen and brown ink (349 x 242 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Agostino Carracci (Italian) (1557-1602)

"The Madonna seated, supporting the Child who embraces her" , pen and brown ink (179 x 157 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Giuseppe Cesari, Il Cavaliere d'Arpino (Italian) (1560 or 1568-1640) (Roman)

"Christ bearing the Cross appearing to a bearded Saint attended by an angel", red chalk (228 x 184 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

"The Madonna dei Popolo", black ink and white chalk, the figures of Christ and the Virgin with red chalk, pen and brown ink and grey wash heightened with white, lightly squared in black and red chalk over perspectival indications with the stylus, on light brown paper (549 x 382 mm) (Collection from Chatsworth, Christie's London, July 6th 1987) (sold for £ 1,760,000)

Paolo Caliari, Il Veronese (Italian) (1528-1588)

"The Martyrdom of Saint Justina", pen and brush and grey ink, washes heightened with white, squared in black chalk, on grey-blue paper (470 x 241 mm) (Collection from Chatsworth, Christie's London, July 6th 1987) (sold for £ 605,000)

Rembrandt Harmensz van Rijn (Dutch) (1606-1669)

"The Ramparts near the Bulwark beside the St. Antoniespoort", pen and brown ink, brown wash with scraped highlights on light brown preparation, ink framing lines (142 x 181 mm) (Collection from Chatsworth, Christie's London, July 6th 1987) (sold for 1,375,000

"The Virgin interceding with the Trinity", black chalk, pen and brown ink, brown and grey wash on light brown paper (365 x 264 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Giulio Pippi, Il Romano (Italian) (1499-1546) (Roman)

"A Symbolic representation of the Arms of Cardinal Ercole Gonzaga", black chalk, pen and brown ink, traces of red chalk at the lower edge (427 x 288 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Andrea Mantegna (Italian) (1431-1506)

"Saints Peter, Paul, John the Evagelist and Zeno", pen and brown ink (195 x 132 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Girolamo Francesco Maria Mazzola, il Parmigianino (Italian) (1503-1540)

"The Virgin seated on the ground nursing the Child, a chair behind", red chalk heightened with white bodycolour on pale grey paper (243 x 175 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Pietro Buonaccorsi, Perino del Vaga (Italian) (1500-1547)

" The Virgin enthroned with Saints Gregory (?) and James (?) and a family of Donors", design for an altarpiece, pen and brown ink, grey wash, squared in black chalk, arched top (358 x 255 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

"Odysseus and the Daughters of Lycomedes", black chalk, pen and brown ink heightened with white, sqaured in black chalk on grey paper, oval (176 x 241 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Francesco Primaticcio (Italian) (1504-1570)

"The Childhood of Mercury, with his parents Jupiter and Maia, Venus and Cupid, Minerva and other deities", black chalk, pen and brown ink, light brown wash heightened with white (394 x 315 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Raffaello Sanzio, called Raphael (Italian) (1483-1520)

"Study of a Man's head and a hand", black chalk over dotted underdrawing pounced through (363 x 346 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Francesco dei Rossi, Il Salviati (Italian) (1510-1563)

"Portrait study of a boy, almost half length, wearing a cap", red chalk (168 x 124 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Frederico Zuccaro (Italian) (1540-1609)

"The Coronation of the Virgin, with Saints Lawrence, Damasus, Paul and Peter in the foreground and the martyrdom of Saint Lawrence in the background", traces of black chalk, pen and brown ink, brown wash heightened with white, the central composition with arched top (573 x 427 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

"The Story of Susannah as Susannah is led away to be put to death, the boy Daniel denounces the Elders", 1562, faint traces of black chalk, pen and brown ink, indented with the stylus (193 x 248 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Sir Anthony Van Dyck (Flemish) (1599-1641)

"Portrait of Hendrick van Balen, half length, his right hand resting on an antique bust", black chalk (243 x 197 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Rembrandt Harmensz van Rijn (Dutch) (1606-1669)

" A Sailing boat on a wide expanse of water (The Nieuwe Meer near Amsterdam)", pen and brown ink, brown wash (90 x 181 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Hans Holbein the Younger (Swiss) (1497-1543)

"Portrait of a Scholar or Cleric", black and red chalk and grey-black ink and wash on pale pink preparation (218 x 184 mm) (Chatsworth Collection, Christie's London, July 3rd 1984)

Girolamo Mazzola Bedoli (Italian) (1500?-1569)

"The Madonna and Child", red and black chalk heightened with white over stylus indications, pen and brown ink studies of a building and a ground plan verso (170 x 134 mm) (Holkham, Christie's London, July 2nd 1991)

Luca Cambiaso (Italian) (1527-1585)

"Amazons with ahorse in procession to the right", pen and brown ink wash, sections on the upper left and lower right made up (287 x 367 mm) (Holkham, Christie's London, July 2nd 1991)

Francesco Vanni (Italian) (1563-1610)

"Two women and a baby with a cat", black and red chalk (225 x 219 mm) (Holkham, Christie's London, July 2nd 1991)

"The Head of a woman looking up", red and black chalk, touches of pen and brown ink, on light brown-grey paper (336 x 226 mm) (Holkham, Christie's London, July 2nd 1991)

Giovanni Francesco Barbieri, Il Guercino (Italian) (1591-1666)

" A reclining nude woman lifting a curtain", pen and brown ink (203 x 243 mm) (Holkham, Christie's London, July 2nd 1991)

Pier Francesco Mola (Italian) (1612-1666)

" Saint John the Baptist pointing to Christ", pen and brown ink with some touches of red and black chalk (387 x 247 mm) (Holkham, Christie's London, July 2nd 1991)

Giovanni Battista Gaulli, il Baciccio (Italian) (1639-1709)

"The Sacrifice of Isaac", black chalk, pen and brown ink, brown and grey wash heightened with white on grey paper (317 x 232 mm) (Holkham, Christie's London, July 2nd 1991)

Leonardo da Vinci (Italian) (1452-1519)

"Caricature of the head of an old man in profile", pen and brown ink (110 x 80 mm) (Christie's July 4th 1995)

Taddeo Zuccaro (Italian) (1529-1566)

" A battle outside a town", black chalk, pen and brown ink, brown wash heightened with white squared in black chalk on grey paper (242 x 415 mm)(Christie's July 4th 1995)

" La Coquette, study of a young woman standing almost in profile", red chalk over fine indications in black chalk (375 x 247 mm) (Sotheby's New York, January 28th 1998) (sold for $ 310,500)

Michelangelo Buonarotti (Italian) (1475-1564)

"Study of Christ and the Woman of Samaria with a separate sketch of a man looking up his arms raised ", Black chalk with traces of white chalk (435 x 337 mm) (Sotheby's New York, January 28th 1998) (sold for $ 7,482,500)

Adam Frans van der Meulen (Flemish) (1632-1690)

"A group of elegant horsemen", black chalk, squred and indented for transfer (474 mm x 421 mm) (Sotheby's New York, January 28th 1998) (sold for $ 46,000)

Pieter Coecke van Aelst (Flemish) (1502-1550)

"The sacrifice at Lystra" (Acts 14:13-15), pen and brown ink and wash, heightened with white (Sotheby's, New York, January 27th 1999)

"The Madonna and Child and an angel", pen and brown ink, heightened with white (258 x 205 mm) (Sotheby's New York, January 27th 1998)

Francesco Guardi (Italian) (1712-1793)

" A Capriccio with an obelisk and an equestrian monument", pen and brown ink over black chalk (197 x 135 mm) (Sotheby's New York, January 27th 1998)

Giovanni Battista Tiepolo (Italian) (1696-1770)

"The Virgin and Child adored by angels", pen and black ink an grey wash, over black chalk (326 x 252 mm) (Sotheby's New York, January 27th 1998)

Giovanni Antonio Canal, called Canaletto (1697-1768)

"A Roman view with the arch of Janus and the Church of S. Giorgio in Velabro", pen and brown ink and gray wash over black chalk (154 x 258 mm) (Sotheby's New York, January 27th 1998)

Louis-Léopold Boilly (French) (1761-1845)

"La peur enfantine", black chalk and stumping heightened with white chalk and touches of red chalk (585 x 447 mm) (Sotheby's New York, January 27th 1998)