| Year | Club / Magazine | Country, code | Homepage |
| ... | | DZ | |
| ... | | IN | |
| 1961 | Quarter Advertiser ¤ March 22 1961 - volume 15 number 10
  | US | |
| 1965 | Kumaripenpals & Stamp | NEPAL | |
| 1967 | Independent Publications Network
  | US | |
| 1968 | Underground Press Syndicate Directory
 | US | |
| 1969 | Mail Trader
  | US | |
| 1970 | The International Collector's Directory | US | |
| 1971 | Classified Ads
 | US | |
| 1975 | | 0021 | love |
| 1976 | The Publishers Manual
 | US | |
| 1977 | Bookseller's Portfolio
 | US | |
| 1977 | Hot Sheet - giant MO magazine - and The Money Three
  | US | |
| 1977 | Jack Willis | CANADA | |
| 1977 | O. E. Emby's Directory of Publishers
 | US | www.penpalclubs.net/1977modirectoryofpublishers.htm |
| 1978 | Trade Market News
 | CA | |
| 1978 | World Trade Opportunities
 | US | |
| 1979 | 5M International News
 | SG | |
| 1979 | Book on Penfriendship by Piare Lal Sharma | IN | |
| 1979 | Pen Pal
 | CH | |
| 1979 | Prime Sources & Circular Mailers
  | US | |
| 1979 | Selective Advertising Services | US | |
| 1979 | Small Business and Mail Order Views and News
 | US | |
| 1979 | The Educational Journal
 | IN | |
| 1980 | American Drop-Shippers Directory
 | US | |
| 1980 | Easy Chair Shopper - National Opportunities Classified
 | US | |
| 1980 | Hi Neighbor !!
 | US | |
| 1980 | Mailer's World Hotline
  | US | |
| 1980 | National Rate & Data Manual
 | US | |
| 1980 | Shopper-tunities
 | US | |
| 1980 | The Bulk Mailers Directory
 | US | |
| 1980 | The Ex-Im Opportunities
 | CA | |
| 1980 | The New Idea Journal
 | US | |
| 1981 | The National Venture-Press
 | US | |
| 1981 | Collectors Opportunity
  | NL | |
| 1981 | Daily Mail Order Advertiser
 | US | |
| 1981 | Insiders money-making Magazine
 | US | |
| 1981 | Mail Order Opportunities Advertiser
 | US | |
| 1981 | Mail Sale Advertiser
  | US | |
| 1981 | Mandie's Review
 | US | |
| 1981 | The Los Angeles Advertiser - The Dollar Stretcher
 | US | |
| 1981 | The Mail Order Advocate vol.1 issue 1
 | US | |
| 1981 | Universal Telegram
 | US | |
| 1981 | World Penpals Magazine
 | BD | |
| 1982 | Bob-C Advertiser
 | US | |
| 1982 | Consolidated Weekly Advisor
 | US | |
| 1982 | Directory of Commission Circulars
 | US | |
| 1982 | National Classifieds
 | US | |
| 1982 | The Enterpriser
  | US | |
| 1983 |
 | PT | |
