Latvian Agricultural Societies and their Awards in the End of the 19th century, Beginning of the 20th century
| Laima Grīndberga | |
| History, , , | |
| Issue | "Latvijas Arhīvi" 1999.2 |
| page 68 | |
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Latvian Agricultural Societies and their Awards in the End of the 19th century, Beginning of the 20th century
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