Periodicals postage paid at Bethesda, Maryland and at additional mailing offices. SUBSCRIPTION. For the 2014 subscription year, ASPRS is offering two options to our PE&RS subscribers-an e-Subscription and the print edition. E-subscribers can plus-up their subscriptions with printed copies for a small additional charge. Print subscriptions are on a calendar-year basis that runs from January through December. Electronic subscriptions run for twelve months on an anniversary basis. We recommend that customers who choose both e-Subscription and print (e-Subscription + Print) renew on a calendar-year basis. The new electronic subscription includes access to ten years' of digital back issues of PE&RS for online subscribers through the same portal at no additional charge. Please see the Frequently Asked Questions about our journal subscriptions.