skos:altLabel | - Artillery officer Colonel Ivan Fedorovich Ladyga
- Colonel Ivan Fedorovich Ladyga
- Ivan Fedorovich Ladyga
- Ballistics specialist Colonel Ivan Fedorovich Ladyga
- Artillery specialist and strategist Ivan Fedorovich Ladyga
- Artillery specialist Colonel Ivan Fedorovich Ladyga
- World War 2 artillery officer Colonel Ivan Fedorovich Ladyga
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