New York Public Libraries Digital Collections – “Explore 674,208 items digitized from The New York Public Library‘s collections. This site is a living database with new materials added every day, featuring prints, photographs, maps, manuscripts, streaming video, and more.” A recent addition is a collection of over 2,000 Turn of the Century Posters. The collection offers a magical tour of diverse styles and periods, and often recognizable images from magazines, print advertisements, magazine and journals covers.