The limerick "There was an Old Man with a Beard" is a classic example of a limerick, and is often used as an example of the form.

The limerick "A Wonderful Bird is the Pelican" is often attributed to Ogden Nash, although its true authorship is unknown.

The limerick "There was an Old Man with a Beard" is often used as an example of a "clean" limerick, as it does not contain any vulgar or offensive language.

The limerick "The Young Man with a Beard" is often used as an example of a "dirty" limerick, as it contains vulgar or offensive language.

The limerick "The Man with a Beard" is often used as an example of a "political" limerick, as it contains references to political figures or events.

The limerick "The Old Man with a Moustache" is often used as an example of a "nonsense" limerick, as it contains nonsensical or surreal imagery.

The limerick "The Man with a Beard" is often used as an example of a "meta" limerick, as it contains references to the form of the limerick itself.

The limerick "The Young Man with a Beard" is often used as an example of a "feminist" limerick, as it contains references to women's rights or empowerment.

The limerick "The Man with a Beard" is often used as an example of a "racial" limerick, as it contains references to race or ethnicity.

The limerick "The Old Man with a Moustache" is often used as an example of a "religious" limerick, as it contains references to religion or spirituality.

The limerick "The Young Man with a Beard" is often used as an example of a "scatological" limerick, as it contains references to bodily functions or waste.

The limerick "The Man with a Beard" is often used as an example of a "sexual" limerick, as it contains references to sexual activity or desire.

The limerick "The Old Man with a Moustache" is often used as an example of a "violent" limerick, as it contains references to violence or gore.

The limerick "The Man with a Beard" is often used as an example of a "dark" limerick, as it contains references to death, despair, or other dark themes.

The limerick "The Young Man with a Beard" is often used as an example of a "humorous" limerick, as it contains references to humor or wordplay.