2. [Greek: peri ouranou]: _De coelo_: On astronomy, &c.
3. [Greek: peri geneseos kai phthoras]: _De generatione et
corruptione_: On generation and destruction in general.
Encyclopaedia Britannica, 11th Edition, "Arculf" to "Armour, Philip" Volume 2, Slice 5 · 第 26 / 69 题