. . . . . . . . "History"@en . . . "Chʻiu chih yeh yü hsin chih shih" . . . . . . . . . . . . . "舊職業與新智職" . . "舊職業與新智識" . . . . . . "Juvenile works" . "Juvenile works"@en . . . . . . . "Old Trades and new knowledge" . "Old Trades and new knowledge"@en . . . . "旧职业与新智识" . . . "舊職業與新知識" . . . . . . . . . . . . . . . "Stare rzemiosło a nowa nauka"@pl . . . "Old Trades and New Knowledge" . "Jiu zhi ye yu xin zhi zhi" . . . . "Old trades and new knowledge"@en . . "Old trades and new knowledge" . "Old trades and new knowledge"@pl . . . . . . "Jiu zhi ye yu xin zhi shi" . . . . . "Stare rzemiosła a nowa nauka"@pl . "Stare rzemiosła a nowa nauka" . . . . "Gong cheng." . . "工程" . "Zhi ye." . . "職業." . . .