This details various resources which others have told me are quality resources. I have not verified for myself if all of these are truly quality resources or not.
NASB/NIV Parallel NT in Greek and English – ed. By Marshall, Zondervan Pub.
New Englishman’s Greek Concordance – ed. Bagster, Zondervan or Hendrickson Pub.
Hebrew Concordance also
A Parsing Guide to the Greek NT – Nathan Han
Exegetical Dictionary of the NT – ed. Horst Balz, Gerherd Schneider
New Analytical Greek Lexicon – Wesley Perschbacher
NIV Theological Dictionary of the NT – Colin Brown
Theological Dictionary of the NT – ed. Kittel (10 volumes)
Dictionary of NT Theology – ed. Colin Brown, Zondervan Pub (3 volumes)
Figures of Speech in the Bible – Bullinger
International Standard Bible Encyclopedia – Geoffrey Bromily (4 Volumes)
Zondervan Pictorial Bible Dictionary – Merril C. Tenney (5 Volumes)
Illustrative Bible Dictionary (3 Volumes)
Dictionary of Later NT – ed. Ralph Martin and Peter Davids
…And Marries Another Craig Keener
Commentaries on Romans: Moule or F.F. Bruce