Portrait of C.F. Gauss

1000 × 1448

Portrait of John Tyler

1420 × 2000

Portrait of Abraham Lincoln

2257 × 3000

Portrait of Samuel Huntington

1135 × 1536

Portrait of Charles Dickens

799 × 1167

Nikola Tesla portrait

966 × 1305

Sigmund Freud portrait

1181 × 1650

Nikola Tesla portrait

1600 × 1200

Nikola Tesla portrait

1420 × 2033

Portrait of George Washington

1004 × 1176

Portrait of George Washington

1270 × 1500

Portrait of Charles Darwin

800 × 987

Portrait of Friedrich Nietzsche

1280 × 800

Portrait of a military officer

1600 × 2098

Portrait of Thomas Edison

2888 × 3696

Sigmund Freud portrait

1600 × 2400

Nikola Tesla portrait

1472 × 1708

Portrait of a man in formal wear

1280 × 1562

Portrait of a military officer

2211 × 2899

Mark Twain portrait

1500 × 2163