Complex sentence: The holdings of the Gotlieb Archive include Isaac Asimov's papers, which fill 464 boxes on 232 feet (71 meters) of shelf space, as well as the archives of Bette Davis, Martin Luther King, and many other notable individuals from the twentieth century.
Split into simpler sentences: The holdings of the Gotlieb Archive include Isaac Asimov's papers, which fill 464 boxes on 232 feet (71 meters) of shelf space. Additionally, the center holds the archives of Bette Davis, Martin Luther King, and many other notable individuals from the twentieth century.