Shakespeare's sonnets
Shakespeare's sonnets are poems that William Shakespeare wrote on a variety of themes. When discussing or referring to Shakespeare’s sonnets, it is almost always a reference to the 154 sonnets that were first published all together in a quarto in 1609; however there are six additional sonnets that Shakespeare wrote and included in the plays "Romeo and Juliet", "Henry V" and "Love's Labour's Lost".
English poetry
Shakespeare also popularized the English sonnet, which made significant changes to Petrarch's model. A collection of 154 by sonnets, dealing with themes such as the passage of time, love, beauty and mortality, were first published in a 1609 quarto.