For 10 points, name this 14-line poetic form.
The line "Such is my love, to thee I so belong" comes from one of these works written to a "Fair Youth." Hundreds of these works dedicated to Laura are contained in Il Canzoniere by Petrarch, while a "Dark Lady" is the subject of 26 of this type of (*) poem. "Shall I compare thee to a summer's day?" was one of 154 written by William Shakespeare. For 10 points, name this 14-line poetic form.
The line "Such is my love, to thee I so belong" comes from one of these works written to a "Fair Youth.
sonnet [prompt on \"poem\"; accept Shakesperean sonnet during the first sentence, but do not accept after; do not accept Petrarchan sonnet]