* Novum Testamentum Graece: Nestle's most impactful work, a critical edition of the Greek New Testament, initially published in 1898. This edition served as the basis for many subsequent editions of the Greek New Testament, including the widely used Nestle-Aland edition.
* Einführung in das griechische Neue Testament: A comprehensive introduction to the Greek New Testament, published in 1909.
* Textkritik des griechischen Neuen Testaments: A detailed study of the textual criticism of the Greek New Testament, published in 1900.
* Die Entstehung des Neuen Testaments: A historical account of the formation of the New Testament, published in 1913.
These works were highly influential in the field of biblical studies, particularly in textual criticism and the study of the Greek New Testament. Nestle's work is still considered essential reading for scholars and students of the New Testament.