Old Amsterdam in colorized photos

Photochroms of Amsterdam taken between 1890 and about 1900. Collected by the Library of Congress. No known copyright.

According to Wikipedia, “Photochrom … prints are colorized images produced from black and white photographic negatives via the direct photographic transfer of a negative onto lithographic printing plates. The process is properly considered a photographic variant of chromolithography, a broader term referring to color lithography in general.”