American precedents also informed other crucial Nazi texts, including the National Socialist Handbook for Law and Legislation of 1934–35, edited by the future governor-general of Poland, Hans Frank, who was later hung at Nuremberg. A pivotal essay in that volume, Herbert Kier’s recommendations for race legislation, devoted a quarter of its pages to U.S. legislation—which went beyond segregation to include rules governing American Indians, citizenship criteria for Filipinos and Puerto Ricans as well as African Americans, immigration regulations, and prohibitions against miscegenation in some 30 states. No other country, not even South Africa, possessed a comparably developed set of relevant laws