(Born: 1853; Died: )

1. German, 1896 [First edition].
Leitfaden der Chemie und Mineralogie. Für höhere Lehranst. Von Prof. Otto Ohmann. Berlin, Winkelmann-Verlag, 1896.

8°: viii, 160 p., illus. Very scarce.

2nd edition, 1900: viii, 160 p., illus.

3rd edition, 1904: viii, 162 p., illus.

4th edition, 1907: vi, [2], 166 p., 95 illus.

5th edition, 1910: viii, 210 p.

6th edition, 1916: viii, 210 p.

7th edition, 1921: viii, 212 p., 162 illus.

Bibliographical references: BL. • NUC.

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