His Imperial Highness Grand Duke Constantine Constantinovich

Sources of biographical information

Oath: Highestly Approved Ceremonial, Published in Governmental Herald, 1878, # 262, November 23 (December 5), page 2, and Manifesto of Emperor Alexander II given in St. Petersburg on November 26 (December 8). Published in Governmental Herald, 1878, # 267, November 23 (December 5), page 1.