42
by Meyer, F. W.
Published 1908
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45
by Arnold, Engelbert.
Published 1910
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46
by Hallo, Herman S.
Published 1910
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47
by Rein, H.
Published 1910
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51
by Ugrimoff, Boris von.
Published 1910
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52
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53
by Hoerner, Karl.
Published 1910
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54
55
by Bloch, L.
Published 1911
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57
by Euler, Karl.
Published 1911
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58
by Zipp, Hermann.
Published 1912
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