Century Club members outside of North America receive publications via air mail. Lifetime members outside of North America receive publications via air mail. They may order one free copy of each new report or special publication. Additional Contributions Additional contributions may be designated to the Opportunities Endowed Fund or other special funds . Memberships are available for societies , associate societies , companies and cooperatives, and nonprofit organizations and agencies .
Subscriptions are available for libraries and other reference institutions.
To enroll use the form below or print the form using Word or Adobe Acrobat . CAST Membership Form Special offer for new members. Order any publications from our catalog and pay only postage and handling fees. 4420 West Lincoln Way, Ames, IA 50014-3447.