This Answer Key provides solutions for all the exercises in Scanlon and Scanlon's Latin Grammar for the Reading of the Missal and Breviary, which was originally published by B. Herder Book Company in 1944, and still in print from TAN Books. It can be ordered here: https://www.amazon.com/Latin-Grammar-Vocabularies-Exercises-Preparation/dp/0895550024 This is a revised second edition that corrects many typographical and other errors.