Welcome @SirPorkney. We have an International and email-only forum. You should find vendors you need in those 2 places.
Then Visit the “Who has it? How much?” Forum to look more specifically for the magazines you need.
The email-only section requires a sponsorship.
Read here about how to donate and become a sponsor:
Thread 'Member Ranks - Sponsor Ranks - Donations' https://drugbuyersguide.info/threads/member-ranks-sponsor-ranks-donations.2146/