Michigan’s William Clements Library — one of the world’s leading archives of U.S. history and Americana — holds a small but fascinating cache of papers of the singer and actor Bing Crosby, including several items linked to the holiday movie classic, ‘White Christmas.’

U-M’s Clements Library holds some 60,000 picture postcards dating to the late-19th/early-20th centuries. Vintage photos and scrawled notes open a fascinating window into Michigan’s past. Help make this historic trove digitally searchable.

You’ve walked by its imposing edifice countless times. That building next to the president’s house is the Clements Library. You’ll never believe what’s inside.

The David V. Tinder Collection of Michigan Photography offers virtually every photographic format used in the 19th and early 20th centuries.