The Metropolitan Museum of Art provides this informative page on American portrait miniature paintings of the eighteenth century.

Access the museum's collection of portraits by the sixteenth-century goldsmith and painter Nicholas Hilliard. Find miniature portraits of many well-known figures from the Tudor and Stuart periods in British history, including Elizabeth,...

Short essay about one of Hilliard's most famous miniatures (Robert Deveraux, second Earl of Essex?) examines the artist's influences, Tudor symbolism, Elizabeth's relationship with the subject of the portrait, and the romantic ideals of...