In-service Training of the Polish Army Officers in the Latvian Armed Forces in the 30ies
| Ä’riks JÄ“kabsons | |
| History, , , | |
| Issue | "Latvijas Arhīvi" 2012.3 |
| page 144 | |
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In-service Training of the Polish Army Officers in the Latvian Armed Forces in the 30ies
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