What has the author William H MacLeish written?

You are likely thinking of Archibald MacLeish (1892-1982), a prominent American poet, playwright, and Librarian of Congress.

Archibald MacLeish is known for:

* Poetry:

* "Ars Poetica" (1926)

* "Conquistador" (1932)

* "The Irresponsibles" (1940)

* "J.B." (1958)

* "The Great American Songbook" (1982)

* Plays:

* "Panic" (1935)

* "The Fall of the City" (1937)

* "J.B." (1958)

* Nonfiction:

* "The American Cause" (1954)

* "A Continuing Journey" (1967)

While a "William H. MacLeish" might exist, there's no record of a significant author with that name. It's possible there's a slight error in the name.