1
by Petersen, Eugen, 1836-1919.
Published 1915
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2
Published 1900
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3
by Günther, Georg, 1845-1923.
Published 1880
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4
by Geffcken, Johannes, 1861-1935.
Published 1921
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5
by Ubell, Hermann, 1876-
Published 1904
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6
by Wolf, Otto.
Published 1911
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7
by Holzapfel, Hugo.
Published 1914
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8
by Kaffenberger, Heinrich, 1888-
Published 1911
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10
by Mayerhoefer, Franz.
Published 1908
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11
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12
by Hecht, Rudolph.
Published 1905
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14
by Riedel, Christian, 1877-
Published 1900
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15
by Huddilston, John H. 1869-1956.
Published 1900
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16
by Geffcken, Johannes, 1861-1935.
Published 1911
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17
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18
by Wecklein, Nicolaus.
Published 1888
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19
by Günther, Georg, 1845-1969.
Published 1885
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20
by Weissenfels, Oskar, 1844-1906.
Published 1891
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