[1977, Summary of World Broadcasts: The Far East. Weekly Supplement, →OCLC, page 7:
Some 16,000,000 people live on the great plain of eastern Honan, an area of nearly 30,000,000 mou comprising Shangchiu and Choukou Prefectures and the eastern part of Kaifeng Prefecture.]
Officials in the city of Shangqiu in Henan Province have admitted that police officers tortured a man to get him to falsely confess to a murder that he did not commit, official Chinese news organizations reported Wednesday.
Chinese place names are listed in three common spelling styles:[…](1) the Post Office system,[…](2) the Wade-Giles system,[…]shown after the main entry[…](3) the Chinese Communists' own Pinyin romanization system, which also appears in parentheses[…]Shangkiu (Shang-ch'iu, Shangqiu)
Further reading
Leon E. Seltzer, editor (1952), “Shangkiu or Shang-chiu[sic– meaning Shang-ch'iu]”, in The Columbia Lippincott Gazetteer of the World, Morningside Heights, NY:Columbia University Press, →OCLC, page 1743, column 3