Lloyd Biggle, Jr: A Galaxy of Strangers - a collection of stories (1976.) This is the first appearance in a Biggle collection for any of these.

(Introduction by Lloyd Biggle, Jr.)
And Madly Teach
The Double-Edged Rope
Eye For an Eye
First Love
Who's On First?
Round Trip to Esidarap - (original title: "Esidarap ot Pirt Dnuor")
No Biz Like Show Biz
What Hath God Wrought!

Original appearances from 1958 to 1974 - in Magazine of F&SF, Analog, Amazing, IF, THE FAR SIDE OF TIME, STRANGE GODS.