6.2Grand ancestral sacrifice, with a pig and a chicken as offerings. Nakagawa Shundai (ed.), Shinzoku kibun [Recorded Accounts of Qing Customs], Tōto [Edo], Nishimiya Tasuke, Kansei 11  shinsen, 12.2a–3b. Online resource, Staatsbibliothek zu Berlin – PK, http://resolver.staatsbibliothek-berlin.de/SBB0000B38700000000
11.2Falconers in Republican Beijing (between 1917 and 1919). ‘Men and Falconers (item ID RL_10074_LS_0157) by Sidney Gamble. (Sidney D. Gamble Photographs, David M. Rubenstein Rare Book and Manuscript Library, Duke University).