Nicomachean Ethics
The translator for the Loeb edition, Harris Rackham, states in the Introduction to that edition that "in some places "The Eudemian Ethics" is fuller in expression or more discursive than "The Nicomachean Ethics"." Compared to the "Nicomachean Ethics", Rackham mentions, for example in Book III, which discusses the virtues and some minor graces of character: