Forerunners and rivals of the primitive Roman bridge.
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Iaith: | English |
| Cyhoeddwyd: |
[Lancaster, Pa.,
s.n.,
1949]
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |