• Norton Commander versioon 3.0 : metoodiline juhend1993 https://www.ester.ee/record=b1065186*est
• Norton Commander versioon 3.0 : metoodiline juhend1992 https://www.ester.ee/record=b1474166*est
• Norton Commander versioon 3.0 : metoodiline juhend1991 https://www.ester.ee/record=b1195503*est
• Norton Commander versioon 3.0 : metoodiline juhend1995 https://www.ester.ee/record=b1067224*est