Giorgio Vasari

1580 · Pen and brown ink, with brush and brown wash, heightened with lead white (partially oxidized), on blue laid paper, laid down on tan wove card

21.2 × 32.3 cm (8 3/8 × 12 3/4 in.)

Art Institute of Chicago

1573 · Pen and brown ink, brush and brown wash, over traces of black chalk

12-5/8 x 8-3/8 in. (32 x 21.3 cm)

The Metropolitan Museum of Art

1573 · Pen and brown ink, brush and brown wash, over traces of black chalk

12-5/8 x 8-3/8 in. (32 x 21.3 cm)

The Metropolitan Museum of Art

1570 · oil paint

overall: 177.8 × 99.1 cm (70 × 39 in.)

National Gallery of Art

1570 · oil paint

overall: 177.8 × 99.1 cm (70 × 39 in.)

National Gallery of Art

1569 · Pen and brown ink, with brush and brown wash, on cream laid paper, squared in graphite and red chalk (recto and verso)

36.3 × 23.7 cm (14 5/16 × 9 3/8 in.)

Art Institute of Chicago

1565 · Pen and brown ink, brush and brown wash, over traces of red chalk

Diameter: 3-11/16 in. (9.4 cm)

The Metropolitan Museum of Art

1565 · Pen and brown ink, brush and pale gray wash, over traces of black chalk, on beige paper

Diameter: 3-11/16 in. (9.4 cm)

The Metropolitan Museum of Art

1565 · Pen and brown ink, brush and pale gray wash, over traces of black chalk, on beige paper

Diameter: 3-11/16 in. (9.4 cm)

The Metropolitan Museum of Art

1565 · Pen and brown ink, brush and brown wash, over traces of red chalk

Diameter: 3-11/16 in. (9.4 cm)

The Metropolitan Museum of Art

1563 · Pen and brown ink, on ivory laid paper, laid down on cream wove card

21.4 × 16.1 cm (8 7/16 × 6 3/8 in.)

Art Institute of Chicago

1562 · pen and brown ink with brown wash over traces of red and black chalk, squared for transfer with black chalk, on cream laid paper

overall: 41.5 x 19.7 cm (16 5/16 x 7 3/4 in.), arched top

National Gallery of Art

1558 · Pen and brown ink with brush and brown wash, over black chalk, on ivory laid paper, laid down on ivory laid paper (recto), and pen and brown ink on ivory laid paper (verso)

18.3 × 26.4 cm (7 1/4 × 10 7/16 in.)

Art Institute of Chicago

1555 · Pen and brown ink, brush and brown wash, over traces of red chalk

6 3/4 x 15 7/16in. (17.2 x 39.2cm)

The Metropolitan Museum of Art

1554 · Pen and brown ink, brush and brown wash, with splatters of gray, green and pink paint over black chalk, squared in black chalk, on cream laid paper, with framing lines in pen and brown ink, laid down on secondary paper

18.2 × 26.7 cm (7 3/16 × 10 9/16 in.)

Art Institute of Chicago

1554 · Red chalk on tan laid paper

39.2 × 28.3 cm (15 7/16 × 11 3/16 in.)

Art Institute of Chicago

1554 · Pen and brown ink and brush and brown wash, with traces of black chalk and red chalk wash, on ivory laid paper, laid down on ivory laid paper

15.4 × 18.9 cm (6 1/8 × 7 1/2 in.)

Art Institute of Chicago

1546 · Pen and brown ink, brush and brown wash, over an underdrawing done with traces of black chalk, ruling, and compass-work in pen and brown ink (recto); black chalk (verso)

Sheet: 16 9/16 x 9 15/16 in. (42.1 x 25.3 cm)

The Metropolitan Museum of Art

1544 · Pen and brown ink, brush and brown wash, over black chalk, heightened with white gouache, on blue laid paper, squared for transfer in red chalk

28.3 × 21.9 cm (11 3/16 × 8 5/8 in.)

Art Institute of Chicago

1544 · Oil on panel

166.5 × 121.9 cm (65 1/2 × 48 in.); Framed: 203.9 × 161.3 × 15.3 cm (80 1/4 × 63 1/2 × 6 in.)

Art Institute of Chicago

1544 · pen on paper, ink, chalk

width: 414 cm, height: 556 cm

Rijksmuseum

1541 · pen on paper, ink

height: 108 cm, width: 157 cm

Rijksmuseum

1539 · Black chalk on gray-brown laid paper, laid down on ivory laid paper

22.3 × 18 cm (8 13/16 × 7 1/8 in.)

Art Institute of Chicago

1511 · Pen and brown ink, brush and brown wash, highlighted with white, over black chalk on blue paper. Squared in black chalk

9-1/8 x 7-1/16 in. (23.1 x 18 cm)

The Metropolitan Museum of Art