"BOETTCHER" . "BOETTCHER, Carl, Dr." . "Carl Böttcher" . "Carl"@en . "of Eylau Carl BOETTCHER" . . "Professor of Taxation at the University of Munich Carl BOETTCHER" . "BOETTCHER, Carl, Professor of Taxation at the University of Munich" . . "Carl Boettcher"@en . "1901" . "Böttcher" . "Dr. Carl BOETTCHER" . . "BOETTCHER, Carl, of Eylau" . . "Boettcher"@en . . .