1986 REMark Heath Zenith User Group Magazines Computer Advertisements JAN-DEC

1987 REMark Heath Zenith User Group Magazines Computer Advertisements JAN-DEC

1989 REMark Heath Zenith User Group Magazines Computer Advertisements JAN-DEC

1985 REMark Heath Zenith User Group Magazines Computer Advertisements FEB-DEC

1992 REMark Heath Zenith User Group Magazines Computer Advertisements Jan-June

1991 REMark Heath Zenith User Group Magazines Computer Advertisements 1-10/12

1990 REMark Heath Zenith User Group Magazines Computer Advertisements 1-9 11-12

Zenith Heath Z-100 Z-140 Manual lot of 3 Owner's MS DOS Basic Vintage Computer