. . "Rīgas pilsētas Galvenā un personālā valde"@eng . "The Main board and staff of the city of Riga was established in July 1941 and in July-September appears in the documents as Riga City Board, the Central Riga City Board, and later as the Main board and staff of Riga city. Hugo Wittrock was appointed the city’s mayor."@eng . "Rīgas pilsētas Galvenā un personālā valde"@eng . .