Expedition name:
Expedition participant(s):
Von Heldreich, Theodor Heinrich Hermann
von Heldreich; von Heldreich, T.H.H.; von Heldreich, Theodore H.H.
1822
1902
1834
1902
Greece - 1834-1902, Crete 1846; Italy - Sicily 1840. 1841; Saudi Arabia - 1845; Spain - 1837; Turkey - 1842-49
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