Hillis, Rajaa Radwan. “Symbolism in Charles Dickens’s Oliver Twist (1837-9): A Critical Study”. Journal of Humanities & Social Sciences 5, no. 13 (October 30, 2021): 156–146. Accessed December 20, 2025. https://ajsrp.ojsexpert.com/index.php/jhss/article/view/4300.