1988 REMark Heath Zenith User Group Magazines Computer Advertisements JAN-DEC

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

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

1989 REMark Heath Zenith User Group Magazines Computer Advertisements JAN-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

(6) 1985 SEXTANT The Independent Magazines for Heath Zenith Microcomputer Users