Noah Calhoun is the protagonist of 'The Notebook' who writes love letters to Allie Hamilton.

Jenny Cavilleri is the female protagonist of 'Love Story' who receives love letters from her husband, Oliver Barrett IV.

Cyrano de Bergerac is the protagonist of the play 'Cyrano de Bergerac' who writes love letters on behalf of Christian de Neuvillette.

In 'Sonnet 18', the speaker compares his beloved to a summer's day.

In 'Love Letters', the singer promises to keep the love letters he receives forever.

Pamela is an epistolary novel written by Samuel Richardson in 1740.

An elegy is a poem that mourns the death of someone, while a billet-doux, epistle, and sonnet are all types of love letters.

The Letters of Abelard and Heloise is a collection of love letters written by Abelard and Heloise in the 12th century.

Love letters are typically characterized by intimacy, honesty, and vulnerability, not formality.

PostSecret is a website that allows users to send and receive anonymous love letters.

Napoleon Bonaparte's letter to Josephine, Henry VIII's letter to Anne Boleyn, and Mark Antony's letter to Cleopatra are all famous love letters written by historical figures, while Abraham Lincoln's letter to Mary Todd is not.

Love Letters is a 1945 film starring Joan Crawford and John Garfield about a woman who falls in love with a soldier through letters.

John Keats' letter to Fanny Brawne, Elizabeth Barrett Browning's letter to Robert Browning, and Percy Bysshe Shelley's letter to Harriet Westbrook are all famous love letters written by poets, while William Wordsworth's letter to Dorothy Wordsworth is not.

You've Got Mail is a 1998 film starring Meg Ryan and Kevin Kline about a woman who falls in love with a man through email.

Bob Dylan's letter to Joan Baez, John Lennon's letter to Yoko Ono, and Kurt Cobain's letter to Courtney Love are all famous love letters written by musicians, while David Bowie's letter to Iman is not.