Home›1888 documents›「親愛なるボスへ」の手紙🌐日本語EnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsTürkçeРусскийالعربية한국어日本語EntityQ1282988· pop 17· linked from 166 articles「親愛なるボスへ」の手紙message received in 1888, which claims to have been written by the serial killer now known as Jack the RipperWikidata factsImageDear Boss envelope.jpgShow 1 more factpoint in time1888-09-27Sources (1)wikidata.orgvia Wikidata · CC0Available in 16 languagesEspañolFrançaisDeutsch日本語РусскийPortuguêsالعربيةCroatianNederlandsNorwegianConnectionsLondonCityInternational Standard Book NumberEntityCategories1888 documentsHoaxes in EnglandJack the RipperLetters written in EnglishWorks published under a pseudonym