Ha publicado obras como The Feminist Avant-Garde: Transatlantic Encounters of the Early Twentieth Century (Cambridge University Press, 2007); Knowing Their Place. Domestic Service in Twentieth-Century Britain (Oxford University Press, 2011), y Feminist Media History: suffrage, periodicals and the public sphere (Palgrave Macmillan, 2011), junto a Maria Dicenzo y Leila Ryan; entre otras.
También ha sido editora de The Politics of Domestic Authority in Britain since 1800 (Palgrave Macmillan, 2009), junto a Ben Griffin y Abigail Williams; y Men, Masculinities and Religious Change in Twentieth-Century Britain (Palgrave Macmillan, 2013), junto a Sue Morgan.
Clay, Catherine (diciembre de 2010). «Book Review: Lucy Delap, The Feminist Avant-Garde: Transatlantic Encounters of the Early Twentieth Century. Cambridge: Cambridge University Press, 2007. x + 357 pp. (incl. index). ISBN 978-0-521-87651-3, £50/US$95.00 (pbk)». Feminist Theory(en inglés) (11): 332-334. doi:10.1177/14647001100110030102.
Forster, Laurel (2013). «Feminist Media History: suffrage, periodicals and the public sphere. Maria Dicenzo with Lucy Delap & Leila Ryan». Women's History Review(en inglés)22 (6): 1025-1027. doi:10.1080/09612025.2012.746202.
King, Laura (2014). «Men, Masculinities and Religious Change in Twentieth-Century Britain. By Lucy Delap and Sue Morgan.». Twentieth Century British History. doi:10.1093/tcbh/hwu029.