They span many centuries throughout the Middle Ages.
The rubrics for the Liturgy are found in Orders I, VII, IX-X, XV-XVII.
Those for Baptism are found in Orders XI, XXII-XXIV and XXV.
Those for Ordination are found in Orders XXXIV-XXXV, and XXXIX.
Those for Funerals are found in Order XLIV.
Finally, those provisions that deal with the Dedications of Churches are found in Orders XLI-XLIII.
- "Ordines Romani". Catholic Encyclopedia. New York: Robert Appleton Company. 1913. http://en.wikisource.org/wiki/Catholic_Encyclopedia_(1913)/Ordines_Romani.