1
Published 1886
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
2
Published 1887
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
3
Published 1887
“...Versuchsgrubengesellschaft (Dortmund)...”
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4
Published 1888
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
5
Published 1888
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
6
Published 1889
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
7
Published 1889
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
8
Published 1890
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
9
Published 1890
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
10
Published 1891
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
11
Published 1891
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
12
Published 1892
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
13
Published 1892
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
14
Published 1893
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
15
Published 1893
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
16
Published 1894
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
17
Published 1895
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
18
Published 1895
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
19
Published 1895
“...Versuchsgrubengesellschaft (Dortmund)...”
Book
20
Published 1896
“...Versuchsgrubengesellschaft (Dortmund)...”
Book