
1) Work by Clement of Alexandria
Found on
https://www.crosswordclues.com/clue/protrepticus
[Clement] The Protrepticus (Προτρεπτικὸς πρὸς Ἕλληνας: `Exhortation to the Greeks`) is the first of the three surviving works of Clement of Alexandria, a Christian theologian of the 2nd century. The work is, as its title suggests, an exhortation to the pagans of Greece to adopt Christianity, and within it Clement d...
Found on
http://en.wikipedia.org/wiki/Protrepticus_(Clement)

(from the article `Aristotle`) Another youthful work, the Protrepticus (`Exhortation`), has been reconstructed by modern scholars from quotations in various works from late ...
Found on
http://www.britannica.com/eb/a-z/p/124

(from the article `Sophist`) ...to identify in the works of later writers certain imitations or summaries of 5th-century Sophistic writers, whose names are unknown. The most ...
Found on
http://www.britannica.com/eb/a-z/p/124
No exact match found.