''Almanach de Gotha'', a reference work on noble genealogy and succession, rejects Maria's claim on the grounds that the succession law does not provide for female succession. It describes Vladimir as, "the last Head of the Imperial House of Russia."<ref>James, John. ''Almanach de Gotha,'' 2016)</ref> | ''Almanach de Gotha'', a reference work on noble genealogy and succession, rejects Maria's claim on the grounds that the succession law does not provide for female succession. It describes Vladimir as, "the last Head of the Imperial House of Russia."<ref>James, John. ''Almanach de Gotha,'' 2016)</ref> |