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Join / Renew

Memberships (for individuals)  |  Subscriptions (for institutions)
Enroll online or by mail

Join the GFO: Enroll online to start your adventures right away!

We welcome your renewal online with a credit card and appreciate your support.

Joining the GFO has many benefits, and we offer a variety of membership options.
Our Membership FAQ page answers many questions. 

Don’t hesitate to contact us at if you have questions or problems with your registration or renewal.

The cost of your GFO membership is tax-deductible.

The price for membership dues listed below is in effect from July 1, 2023, through June 30, 2024.

If you live outside the U.S., only digital memberships are available.

Note: We are all volunteers, and we will process your membership as quickly as possible. It may take one to two weeks to receive your membership documents (sent USPS) but usually, you will receive MemberSpace access within a day or two.

Start your membership enrollment here:

Membership Type Annual Dues Select
Individual - 12 months email publications $ 51 Join/Renew
Individual - 12 months print publications $ 76 Join/Renew
Individual - 25 months email publications $ 102 Join/Renew
Individual - 25 months print publications $ 152 Join/Renew
Joint – 12 months email publications $ 77 Join/Renew
Joint - 12 months print publications $ 102 Join/Renew
Joint – 25 months email publications $ 154 Join/Renew
Joint - 25 Months print publications $ 204 Join/Renew
Student - 12 months - email pubs - student ID required** $ 22 Join/Renew
Individual Life Membership* $ 1,020 Join/Renew
Joint Life Membership* $ 1,540 Join/Renew


* Life members receive digital GFO publications via email

** To qualify for new or renewed Student Membership, the name of the educational institute (school, college, university) AND Student ID number are REQUIRED fields.  If you have any questions, contact

Attention societies and libraries, start your institutional subscription here:

Subscription Type Annual Fee Select
Libraries & Societies - 12 months - print
Bulletin only available inside the U.S.
$ 26 Subscribe

Our Membership FAQ page provides answers to many questions, but don't hesitate to send us a message if you can't find the answer you need.

Interested in becoming a Life Member? Learn more here.  

Join or Renew by Mail

If you prefer, you can download and print the enrollment form here, fill it out, and return it with your membership dues to the address shown on the form.


Please email any questions or comments to the Membership Committee. We’ll be happy to help!