"The Landesarchiv Speyer is a state archive responsible for the supervision of public authorities, public institutions and municipalities in Rheinhessen-Pfalz. Its archives includes approximately 25,000 documents ...
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and 33,000 maps. One of its oldest archives includes a copy of the monastery of Weissenburg from the 9th century, as well as holdings from the era of the Holy Roman Empire. The archives are accessible to the general public." - (en.wikipedia.org 31.01.2020)