Category:Arthur Clifford Howard

<nowiki>Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; Arthur Clifford Howard; inventor australiano; australischer Erfinder und Unternehmer; Australian-born British inventor; inventor australianu (1893–1971); uitvinder uit Australië (1893-1971); A.C. Howard</nowiki>