Here are some sites that can help enrich your reading of Dickens's Oliver Twist:

Also, here's a connection between the stark opening of David Lean's 1948 Oliver Twist and Dickens's novel. As Oliver leaves the baby farm to return, with Bumble, to the parish workhouse, the narrator remarks, "Wretched as were the little companions in misery he was leaving behind, they were the only friends he had ever known; and a sense of his loneliness in the great wide world, sank in to the child's heart for the first time" (24). It's the "loneliness" of Oliver's mother "in the great wide world" that Lean chooses to depict in his opening sequence — an interesting choice — and Lean drives the point home not only through the image of a tiny figure dwarfed by the natural landscape (about 1:50 in), but also through the earlier image (just after 1:25 in) of that single leaf dropping from the barren branch. Give it another look: