Canonical URI: http://nomisma.org/id/frederick_i_of_prussia
http://nomisma.org/id/frederick_i_of_prussia#membership_67c60d36a2f790211ee053b862be731f
http://nomisma.org/id/frederick_i_of_prussia#membership_1f4c7dc8a223fc54670df8ba5697fba5
http://nomisma.org/id/frederick_i_of_prussia#membership_cae4b06db4c20bd9212867c759afbecb