On a state visit to the United States this week, the queen of the United Kingdom became the first British royal to visit the library as she fulfilled a mission to complete the set of toys that Christopher Robin once owned Winnie-the-Pooh and his friends live in a case at the New York Public Library. N100a via Wikimedia Commons under CC BY-SA 4.0 Winnie-the-Pooh ’s entourage just got a little bit larger. In a visit to the New York Public Library Wednesday, the queen of the United Kingdom, Camilla , returned a long-lost friend to the bear: Roo, a baby kangaroo toy missing since the 1930s. Already at home at the library are the rest of the original toys that inspired A.A. Milne’s iconic books about a honey-loving bear, his animal friends and Christopher Robin. Milne gave his son, the real-life Christopher Robin, a stuffed bear from Harrods in 1921, and the rest of the toys were additional gifts as the boy grew up.…