We will learn it upon our return, one way or the other.

"And you learned of the tragedy upon your return to England?"

Might we come to learn, upon this shore, of such burdens?

Yes, I still had much to learn upon Barsoom.

I learned your identity through cards upon your person.

But even death can be kind, as you learned upon the lake.

"One learns a certain caution upon the Roof of the World."

You will learn of my death upon your arrival.

Sheldon found one fairly learned dissertation upon the babu root.

You must learn each name upon its own terms, unless you can immediately place its language of origin.