Baines, Phil (2007): Penguin by Design: a Cover Story 1935-2005. London: Allen Lane ISBN0-7139-9839-3 (published to accompany the exhibition "Penguin by design" held at the Victoria and Albert Museum, 8 June – 13 November 2005).
Baines, Phil (2010): Puffin by Design: 70 years of imagination 1940-2010. London: Allen Lane.
Penguin by Illustrators.
Cinamon, Gerald (1987): "Hans Schmoller, Typographer", The Monotype Recorder (New Series), 6 April 1987.
Graham, Tim (2003): Penguin in Print - a Bibliography. Penguin Collectors Society.
Hall, David J., "King Penguins", in The Private Library Winter 1977, published by the Private Libraries Association.
Hare, Steve (1995): Penguin Portrait: Allen Lane and the Penguin Editors, 1935–1970. London: Penguin Books.
Joicey, Nicholas (1993): "A Paperback Guide to Progress: Penguin Books 1935–c.1951", Twentieth Century British History, Vol. 4, No. 1, pp. 25–56.
Kells, Stuart (2015): "Penguin and the Lane Brothers: The Untold Story of a Publishing Revolution", Black Inc., Melbourne, Australia.
Lewis, Jeremy (2005): Penguin Special: Life and Times of Allen Lane ISBN0-670-91485-1.
Morpurgo, J. E. (1979): Allen Lane: King Penguin. London: Hutchinson.
Aynsley, J., Lloyd Jones, L. (1985), Fifty Penguin Years. ISBN0-14-008589-0.
Cherry, B. (1983): The Buildings of England: A short History and Bibliography, Penguin Collectors Society, London.
Edwards, R. (1997): A Penguin Collector's Companion, Penguin Collector's Society, London.
Holland, S. (1993): Mushroom Jungle: A History of Postwar Paperback Publishing, Westbury.
Pearson, J. (1996): Penguins March On: Books for the Forces During World War II, Penguin Collector's Society, London.
Lane, A., Fowler, D. et al. (1960): Penguins Progress, 1935-1960, Harmondsworth.
Ten Years of Penguins: 1935-1945, Harmondsworth.
Williams, W. E. (1956): The Penguin Story, Harmondsworth.
Wood, S. (1985): A Sort of Dignified Flippancy, Edinburgh University Library.
