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The Grand Council of the Allied Masonic Degrees USA Welcome to the website of the Grand Council of the Allied Masonic Degrees of the United States of America. TheAllied Masonic Degreescommonly abbreviated AMD is an invitational appendent body of Freemasonry that superintends several degrees that are not found within other orders in the United States. Our organization focuses on Masonic philosophy scholarship and research. To qualify for membership an individual must be a Royal Arch Mason in good standing and be invited to join a constituted Council under the jurisdiction of the Grand Council.