edited by Suzanne Folds McCullagh, with the assistance of Kate Tierney Powell. edited by Megan Fontanella, with the assistance of Julie Barten edited by Donald R. Howard with the assistance of James Dean edited by Michael Snodin ; with the assistance of Cynthia Roman. edited by Daniel Garber, Michael Ayers, with the assistance of Roger Ariew and Alan Gabbey. edited by Elizabeth Morrison with the assistance of Larisa Grollemond