| Author: | Hayes, John L. (John Lord), 1812-1887 |
| Subject: | TP, Indigo |
| Format: | From "The Bulletin of the National Association of Wool Manufacturers.", Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Notes Upon Indigo [electronic resource] / John L. Hayes |