Cremer was the author of a biblico-theological lexicon of New Testament Greek, titled Biblisch-theologisches Wörterbuch der neutestamentlichen Gräcität. This work was published over several editions and also translated into English as Biblico-theological lexicon of New Testament Greek (1895).[2] Another significant work was a book on the Pauline Doctrine of Justification called Paulinische Rechtfertigungslehre im Zusammenhange ihrer geschichtlichen Voraussetzungen (1899).