Impressions made by bubbles, rain-drops, and other agencies
| Image |  |
|---|---|
| Description | scholarly article |
| Author/s |
author: William H. Twenhofel |
| Publication date | December 1, 1921 |
| Language | |
| Country of origin | |
| Wikipedia link | |
| Copyright status | |
| Missing/wrong data? | Edit Wikidata item |