(Betz) (14 1834, . , . 30 1894), , , , (1863), .

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(Blumenthal) (23 1870,   1944, . , ), , .

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(Brevern) ( ) (24 1880, . .  7 1943), .

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(Wolff) ( ) (15 1866, , .  23 1940, ), , , , , (1913).

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(Dietz) () [1864, () . . - 1917, ], .

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(Oom) (31 1826 1898, .-), (1866).

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(Tesch) [4 1852,   19 1899, (), ], , .

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(Foelkersam) ( ) (3 1854, ,   4 1929, , ), , .

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(Stackelberg) ( ) (15 1848, .-  30 1925, ) , , -.

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(Steinheil) (26 1870  11 1946, , ), , .

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