Gonstead Seminar Magazine Ads 1969 through 1974
1969 November/December – The Digest of Chiropractic Economics
1970 January/February – The Digest of Chiropractic Economics
1970 March/April – The Digest of Chiropractic Economics
1970 May/June – The Digest of Chiropractic Economics
1970 July/August – The Digest of Chiropractic Economics
1970 September/October – The Digest of Chiropractic Economics
1970 November/December – The Digest of Chiropractic Economics
1971 January/February – The Digest of Chiropractic Economics
1971 March/April – The Digest of Chiropractic Economics
1971 May/June – The Digest of Chiropractic Economics
1971 July/August – The Digest of Chiropractic Economics
1972 April – International Review of Chiropractic
1972 July/August – The Digest of Chiropractic Economics
1972 October – International Review of Chiropractic
1973 April – International Review of Chiropractic
1973 July – International Review of Chiropractic
1973 July/August – The Digest of Chiropractic Economics
1973 October – International Review of Chiropractic
1974 January/February – The Digest of Chiropractic Economics
1974 March/April – The Digest of Chiropractic Economics
1974 May/June – The Digest of Chiropractic Economics