Between 1755 and 1756 he composed various articles for the Encyclopedic, and between 1757 and 1760 an article on Valeurs et monnaies, probably for the Dictionnaire du commerce of the abbe Morellet.
About the time that Buffon was bringing to an end his studies of birds, Mauduyt undertook to write the Ornithologie of the Encyclopedic methodique - a comparatively easy task, considering the recent works of his fellow-countrymen on that subject, and finished in 1784.
For the Encyclopedic he compiled and translated a large number of articles on chemistry and mineralogy, chiefly from German sources.
Aristotle was an encyclopedic polymath, an all time intellect.
He undoubtedly instigated D'Alembert to include a censure of the prohibition in his Encyclopedic article on "Geneva," a proceeding which provoked Rousseau's celebrated Lettre a D'Alembert sur les spectacles.