Carla Hayden was just nominated by President Obama to be the nation's top librarian as the head of the Library of Congress.
See the article at NPR by Elizabeth Blair in Obama Nominates Carla Hayden To Lead Library Of Congress.
Hayden would be the first woman and first black to hold the position.
We intentionally avoid the term "African-American" used in many sources for the same reason that we do not speak of "European-Americans".
Everybody in America came from somewhere else, even the so-called "Native-Americans", the now so-called "First Peoples" in North America, who came via Siberia.
There is also the presence of haplogroup X both in North America and Europe, which could be an even older "Caucasian" migration from what we today call Europe ("Old Caucasian"-Americans?). See Brown et al., mtDNA Haplogroup X: An Ancient Link between Europe/Western Asia and North America?, The American Journal of Human Genetics (AJHG), Volume 63, Issue 6, December 1998, Pages 1852–1861.
Even the use simply of the label "American" to apply only to the United States has been rightfully challenged by some living elsewhere in North America, Central America or South America.
Using such labels of presumed or even present origin is simply misleading.
In fact, such imprecise labels of origin can be regarded as hidden forms of racial profiling. We think there are at best the people of the United States, a unified nation, ideally regardless of race, gender, origin or personal creed. In trying to force equality, one is often unconsciously emphasizing inequality.
Alva Noë writes at NPR in DNA, Genealogy And The Search For Who We Are:
"And then, there's this tidbit, courtesy of Mark G. Thomas and his friends at University College London: It can be demonstrated that 5,000 years ago everybody alive was either the common ancestor of everyone alive today, or the common ancestor of no one. Thomas captures the startling upshot of this fact: "At this point in history we all share exactly the same set of ancestors.""
May the most competent person for the job -- in our modern world -- win.
Ask your local librarian for resources on this and related issues!