By Rodney Decker: useful, well-organised bibliography for students beginning NT Greek.

Of Reference Works and Commentaries on the Greek New Testament, Prepared by Jon Weatherly, Cincinnati Bible College & Seminary: thorough and very useful (NB: MS Word document)

By Michael Palmer.

Philologia e.V., Hilfsbuch für Studierende der lateinischen und griechischen Philologie. Online Auflage 2005. Berlin: Philologia e.V. – A large collection of references (online and otherwise) to foundational literature for the study of Latin and Greek. Very useful. [German]