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Archivo:RU COA Ostrogradski X, 113.jpg
DescriptionRU COA Ostrogradski X, 113.jpg Русский: Герб рода English: Coat of arms of the House of Ostrogradski Date 1836 Source http://gerbovnik.ru/arms/1523
Archivo:Officers from cruiser Pamyat' Merkuriya (ostrogradski).jpg
DescriptionOfficers from cruiser Pamyat' Merkuriya (ostrogradski).jpg English: Officers from cruiser Pamyat' Merkuriya in spring 1915―1916. Русский: Офицеры
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