If you miss that, the resale market is your only hope. Check platforms like Dollistry and The FashionSquare. Be vigilant of scams. The fake Angelica Exclusives are already flooding eBay. Look for the Holographic COA; if it doesn't change color when you breathe on it, it's a knockoff.
If you are asking for "long paper" to create sketches or layouts inspired by this aesthetic, standard professional fashion illustration standards suggest: : At least fashionland angelica exclusive