They include many different uses, especially that of Paris, Rome, Rouen and Sarum.
Both Verard and Pigouchet produced Horae for the publisher Simon Vostre.
It is incorrect to speak of editions of these Books of Hours; hardly any two copies appear to have been quite the same; fresh arrangements and combinations of a large stock of engraved blocks were made for the printing of almost every copy, and thus the long list given by Brunet is very incomplete; see the last volume of Brunet's Manuel du libraire, Paris, 1865.
Sold in June, 1873, for £181, with the rest of the Perkins library.
A copy of this glory of the printer's art in Mr Quaritch's possession is priced in his catalogue of 1891 at £5250; only eight copies are known to exist.