I Title: I Principi del Disegno(from the series "I Principi del Disegno")

IV Four studies of hands(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

V Five studies of hands(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

VI Five studies of feet(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

VII Four studies of feet(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XII A Study of a baby head(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XXV A Study of a youngman's head(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XI A Study of a woman head(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

X Studies of two soldiers heads(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XIII A Study of a young man head(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

II Nine studies of eyes, nose and mouths(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XVI A Study of an oldman's head(St. Peter?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XVII A Study of an oldman's head(St. Peter?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XVIII A Study of an oldman's head(St. Peter?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XIX A Study of an oldman's head(St. Peter?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XV A Study of an old soldiers' head with a helmet(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

III Three studies of ears and two of mouths(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XXIV A Study of a crying soldier's head with a turban(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

VIII Two stage of studies of a head of a soldier(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XXIII A Study of a man's head with a turban(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XXI A Study of a man's head with a turban(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XIV A Study of a young man head with a hat(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XX A Study of an oldman's head with a laurel crown (Homer?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

XXII A Study of an oldman's head with a laurel crown (Homer?)(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan

IX Five studies of heads of an old man with turban, two young men, and two babies(from the series "I Principi del Disegno")

The National Museum of Western Art, Tokyo

Union Catalog of the Collections of the National Art Museums, Japan