Peet, Lisa. «Harper Lee, Author of Library Mainstay To Kill a Mockingbird, Dies at 89». Library Journal. Besøkt 26. mars 2023. «To Kill a Mockingbird is a classic of American literature, widely taught in U.S. classrooms despite its most recent ranking as 21 of the American Library Association’s (ALA) 100 most challenged books in the last decade. In 1998, an LJ poll voted it "Best Novel of the Century."»
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Library of Congress Authorities, Library of Congress autoritets-ID n50038872, besøkt 22. mai 2021[Hentet fra Wikidata]
«26 to Be Advisory Board for National Endowment». The New York Times. 28. januar 1966. Sitat: «In a parallel development to- day, the President appointed Harper Lee, author of the Pulitzer Prize-winning To Kill a Mockingbird. and Richard Diebenkorn, artist, to the National Council on the Arts.»