Sulzberger Karte of Thurgau (1838)
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Johann Jakob Sulzberger (Q78072734)</div>
<p>Sulzberger Karte 1837
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DOI <a rel="nofollow" class="external free" href="https://doi.org/10.3931/e-rara-21032">https://doi.org/10.3931/e-rara-21032</a>