January 6, 2016 5:48 PM EST

The New York Public Library announced on Wednesday that over 187,000 of the public-domain photographs and artifacts in its vast collection are now online and available to anyone for high-resolution download. It’s an invaluable tool for historical research—or for just poking around. They date back a millennium and take myriad forms.

To give you a hint of the breadth of that collection, here’s just a small sampling of the kinds of materials within: a letter from Alexander Hamilton, photography of the New Deal era, sheet music from the 1800s, stereoscopic images, maps and even a travel guide to help African Americans navigate tourism during segregation.

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