He later enlarged and modified this poem , and republished it in 1603 under the title of The Barons ' Wars .
In 1596 Drayton published his long and important poem Mortimeriados , a very serious production in ottava rima .
Drayton later enlarged and modified this poem , and republished it in 1603 under the title of The Barons ' Wars .
In 1596 Drayton published his long and important poem Mortimeriados , a very serious production in ottava rima .