Singer, B. (Berthold), 1860–
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- Open Library: OL382144A
- pdbooks.info ID: 65489
B. (Berthold) Singer Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
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| International law | 1918 | Author | |  | |  | |    
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| Patent and trade mark laws of the world | 1911 | Author | | | | | |
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| Patent laws of the world | 1930 | Author | | | | | | ||
| Patent laws of the world | 1924 | Author | | | | | | ||
| Trade mark laws of the world, and unfair trade | 1913 | Author | | | | | |
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