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Ilgen, Theodor(12)
Schmidt, Adolf (1857-1935)(4)
Philippi, Friedrich (1853-1930)(3)
Schröder, Edward (1858-1942)(2)
Schmitz-Kallenberg, Ludwig (1867-1937)(1)
Schulte, Aloys (1857-1941)(1)
Zarncke, Friedrich (1825-1891)(1)