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Membership
        The IHA has three types of membership: Student (US $25/NLG 50 per year), Individual (US $50/NLG 100 per year) and Sustaining/Business (US $100/NLG 200 or more per year). In order to be listed by your business name you must join at the Sustaining/Business level. Members may order additional or previous issues for US$10 (postpaid), non-members pay US $15 (post-paid). Members joining after June may join for the next year and purchase the issues of the current year. Payments may be made by International Postal Money Order, American Express/Thomas Cook Money Order, or via AmEx credit card.
        Authors who contribute an accepted article to the journal will receive a year’s membership, including a subscription to this journal. Sustaining members can direct their contribution toward any specific project they prefer. A financial audit of income and expenditures is available to sustaining members.