The Birth of Venus to Botticelli's Florentine contemporary, and Lorenzo di Medici's court poet, Angelo Poliziano. The iconography of "The Birth of Venus" is similar to a description of a relief of the event in Poliziano's poem the "Stanze per la giostra", commemorating a Medici joust in 1475, which may also have influenced Botticelli, although there are many differences. For example Poliziano talks of multiple Horae and zephyrs. Older writers, following Horne, posited that "his patron Lorenzo di Pierfrancesco asked him to paint a subject illustrating the lines", and that remains a possibility, though one difficult to maintain so confidently today. Another poem by
Portrait of a Young Woman (Botticelli, Frankfurt) similar Botticelli paintings are to be found in the National Gallery, London, the Gemäldegalerie, Berlin, and in the Marubeni Collection, Tokyo. David Alan Brown of the National Gallery of Art in Washington, D.C. describes the painting as of an ideally beautiful young woman mythologised as a nymph or goddess, a view reflected in the title given it by the Städel. It belongs to a group of such paintings by Botticelli or his workshop. The art historian Aby Warburg first suggested the painting was an idealised portrait of Simonetta Vespucci. It is suggested that Quattrocento paintings of hair and water are