Subscriptions are $20 (U.S.), $21 (Canada), and $22 (international). The Journal is currently published annually. Volumes 5 through 19 have two issues; therefore, the cost is $30 (U.S.), $31 (Canada), and $32 (international). Subscriptions are renewed automatically unless a timely notice of termination is given. The current volume is available from the Journal and all back issues are available from William S. Hein Co., Inc. (800.828.7571).

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