Canonical URI: http://nomisma.org/id/frederick_william_i_of_prussia
http://nomisma.org/id/frederick_william_i_of_prussia#membership_847b3da7b5090d6ff1fb58267e45bdab
http://nomisma.org/id/frederick_william_i_of_prussia#membership_039895a61331e083821be42b588c2e3d