Five principal manuscripts survive, but parts of January, and much of February and December are lost.

The principal surviving manuscript is the Littera Florentina of the late sixth or early seventh century.

The principal manuscript in which the collection has been preserved, dating from 1250 x 1270.

The principal manuscript, the 10th-century Codex Vaticanus græcus 1941, is damaged at the beginning and end and stops short at 627.

The principal manuscripts are:

Firdausi Celebration (New York, 1934), a collection of articles which included a very valuable catalogue of the principal manuscripts of the Shahnameh then known.

The principal manuscript was inaccessible to scholars for over two centuries until the 1830s, when it was bought by what is now the Bibliothèque Nationale de France.

The first half of the principal manuscript told a very particular tale.

By reconstructing The Hours from the two principal manuscripts, one can see the Master grow as an artist over the several years it took to illuminate The Hours.

The principal manuscript, working copy used by John.