Alonso,

There is a book available here called the Psalmorum which has verses for the Introit and the Communion.

There is a separate book, also available here, called the Offertoriale which contains the verses of each Offertory.

At this point I'm unaware that Graduals, Tracts and Alleluias have other verses than those printed in the Liber Usualis.


If you're looking for Antiphons in the Ordinary Form, that's a different kettle of fish, and it will require help from someone else.

LATIN
The psalm verses to the Mass antiphons are found in the Graduale Romanum 1974. The verses of the offertory antiphons can be found in Offertoriale 1935. The psalm verses of the communion antiphons are also found in Communio.
Another valuable source containing psalm verses, with restored melodies, is Graduale restitutum and Offertoriale restitutum cum versiculis.

ENGLISH
An overview of the English antiphons and their psalm verses can be found in either the Processional 2012 or Antiphonary 2010.
These are only texts. Melodies with psalm verses can be found in many editions like English Proper Chants (Ainsly), Lumen Christi Missal (Bartlett) or Columba Kelly's Entrance en Communion Antiphons.

Jerome, that is correct.

Proper of the Mass, by Samuel Weber, is a great place to start. Has antiphons in graded levels of difficulty and psalm verses for all antiphons.
The antiphons in the Weber book are not from the Graduale, but from the missal and will correspond to the texts in your missallettes.

There were never Offertory antiphons in the Pauline novus ordo Missal, because those are never said by the priest, but only sung by the schola or choir or people. For various reasons the more recent books were purposely divided into volumes: for readers, the priest, the schola. A little like the division of books in, say, mediaeval cathedrals.. but unlike the less recent Missal of the traditional Mass, which contains everything because the priest says everything even when it's also being sung.

Also note: the psalm verse references in the Graduale 1974 are reproduced from the official book for sung Masses, namely Ordo Cantus Missae. In those books, the psalm and verse numbers, and line letters (eg “Ps 26:9ab”, from yesterday) refer to the psalter of the Nova Vulgata. It's far from easy to translate those to references in another Bible or Psalter, be it Latin or English.

The choices of psalm verse for the antiphons is said (by Psalmorum) to be iuxta codices antiquos: but no other authority is offered. I would like to know how normative those choices are and how often they are evident in the tradition: but I don't know.