Since the French language was used in places throughout Outremer for over four centuries, it is not surprising that the language was used in ways that defy modern notions of genre.
Image du Monde
Le Jardin Regal du Pin
Rhetorica Herennium and De Inventione
Roger of Stanegrave's Le Charboclois d'Armes du Conquest Precious de la Terre Saint de Promission