Note 121
From The Invasion of Egypt, part of Chapter 51 of the Decline & Fall

Aulus Gellius (Noctes Atticae, vi. 17), Ammianus Marcellinua (xxii. 16), and Orosius (l. vi. c. 15). They all speak in the past tense, and the words of Ammianus are remarkably strong:

fuerunt Bibliothecae innumerabiles; et loquitum monumentorum veterum concinens fides, etc.