 1626 also saw the performance of May's tragedy "Cleopatra", although it isn't known where or by whom; it was printed later in 1639.A manuscript version in the British Library, of uncertain date, contains a number of small but interesting textual variants.During the next few years he wrote two further classical tragedies, "Antigone" (published 1631) and "Julia Agrippina" (1639); the first was probably never staged but the second claims a 1628 performance on its title page.