Monograph of the naiades of Pennsylvania ..
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| Description | Pittsburgh, Board of Trustees of the Carnegie Institute, 1911-19. |
| Author/s |
author: Arnold Edward Ortmann |
| Publication date | 1911 |
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| Country of origin | |
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| Access work | |
| Copyright status |
public domain in countries with 80 years pma or shorter. public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |