Woman seated on the ground, her left hand supporting her head (recto)

Parmigianino

 Woman seated on the ground, her left hand supporting her head (recto) (circa) 1524
Christ seated on a cloud - a study for 'The Coronation of the Virgin'

Antonio Correggio

 Christ seated on a cloud - a study for 'The Coronation of the Virgin' (circa) 1522
Conversion of Saul (recto and verso)

Parmigianino

 Conversion of Saul (recto and verso) (circa) 1524 - 1526
Study for the Coronation of the Virgin in Santa Maria della Steccata, Parma (recto); Study of a nude male figure (verso)

Parmigianino

 Study for the Coronation of the Virgin in Santa Maria della Steccata, Parma (recto); Study of a nude male figure (verso) (circa) 1535 - 1539
Rearing horse
Attributed to

Francesco Salviati

 Rearing horse (circa) 1524