For those of you who are interested in the sacred liturgy, in particular older liturgical books, you should spend a little time searching through Google Books which has a number of older missals available. Here, for example, are a 16th and 17th century edition of the Missal of the rite of Lyons which Gregory recently dug up.
1556 Lyons Missal
1620 Lyons Missal
1620 Lyons Missal