William Smyth Rockstro and Donald Francis Tovey, 1911 Encyclopædia Britannica, Volume 20… (1911)
“ If we find it convenient to divide Palestrina's work roughly into three types, we shall be able to take the Missa Papae Marcelli as the crowning representative of his second style. It probably is his greatest work; at all events it continues to make that impression whenever it is read after a long course of his other works; yet there are many masses, too numerous to mention, which cannot easily be considered inferior to it. ”
