Johannes Janssen

Johannes Janssen (1829–1891) was a German Empire historian, politician and secondary school teacher.

Also recorded as Joannes Jannssen; Jean Jannssen; Janssen; Jean Janssen; Ioannes Ianssen; Ioannes Jannssen.

Overview

Places of work recorded in the authority include Frankfurt. Catalogue entries for printed books state edition, collation, binding and condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

German historian and politician (1829-1891)

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Johannes Janssen”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q67635: Johannes Janssen
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