Datasets & Tools


With CHRONReader you can search in Delpher's newspaper images using categories and keywords.


A simple search interface on Delpher data used for testing and demonstration.

Dictionary viewer

The Dictionary viewer visualises the appearance of a word list in the newspaper corpus over time.

Python API

Simple API to access KB collections using Python.


ALTO Edit is a simple browser-based post correction tool for ALTO XML files.

Newspaper ngram viewer

The PoliticalMashup ngram viewer visualises the frequency of a certain phrase in the Delpher newspaper collection.

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