Head of a boy  1854

Head of a boy in an unbuttoned collar  1919

Head of a boy in a hat  1921

Interior: portrait of a musician or composer  1750

Head of a young Italian girl  1847

A Neapolitan Boy Decorating the Head of his beloved one a...  1840

Portrait of the Physicist Hermann von Helmholtz  1881

A Soldier Paying a Visit to a Young Lady  1660

Study Head of an Old Man with a White Beard  1617

Study Head of a Young Woman  1618

portrait of a young man  1645