Botticelli- useful links this provides an overview of all of Botticelli's paintings this website provides the actual measurements of some of Botticelli's works. Its very interesting to see just how big each piece is.

Michelangelo- useful links Provides a good overview of Michelangelo's life. You can virtually visit the Sistine Chapel where Michelangelo painted his famous frescoes!

Giorgione- useful links this website gives a very brief biography of Giorgione's life. this website gives a detailed biography of Giorgione's life and a brief overview of his paintings