1. An early classic misplaced: Ford W. Harris's economic order quantity model of 1915;Erlenkotter,1989
2. Ford Whitman Harris and the economic order quantity model;Erlenkotter;Oper. Res.,1990
3. The library of factory management: a diamond jubilee appreciation;Erlenkotter;J. Manuf. Oper. Manage.,1990
4. How many parts to make at once;Harris;Factory Mag. Manage.,1913
5. Patents from a Patent Attorney's viewpoint;Harris;Machinery,1914