A monograph of the existing crinoids
| Image |  |
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| Description | Washington, Govt. Print. Off., 1915- |
| Author/s |
author: Austin Hobart Clark |
| Publication date | 1915 |
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| Country of origin | |
| Wikipedia link | |
| Access work | |
| Copyright status |
public domain in United States. |
| Missing/wrong data? | Edit Wikidata item |