work upon

It is not impossible to fix upon the parts the assistants probably would be allowed to work upon.

At home matters were not going as smoothly as Jess had hoped, after her mother obtained regular work upon the Centerport Courier.

He was soon back, and we stood by the inner fence and watched the silent lightning do its awful work upon that swarming host.

To demand accurate knowledge of the subject before an author begins work upon it narrows the field from which themes may be drawn.

They had therefore agreed to work upon my road as a free gift.