Pliny the Elder
| Author(s) | Title | Reference | |
|---|---|---|---|
| Roberto Weiss | THE STUDY OF VARRO AT MONTECASSINO IN THE MIDDLE AGES | 16/, p. 27 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| Gearóid Mac Niocaill | Dicuili liber de mensura orbis terrae. (Scriptores Latini Hiberniae VI), by J. J. Tierney, L. Bieler | 37/2, p. 179 |