Book

1     I|    power~Like Troy's old town defenced with Ilion's tower.~ ~ LXII~
2     I|       by their foe,~No towers defenced with rampire, moat, or wall,~
3     I|   Three sides by site it well defenced has,~That's only weak that
4   III|    their strange tennice run,~Defenced, the flying balls unhurt
5    VI|           XLIII~The Pagan ill defenced with sword or targe,~Tancredi'
6    XI|       site,~With mighty hills defenced from foreign rage,~And to
7 XVIII| strong on that part,~Is least defenced by arms, by work and art.~ ~