Contributors 1 - 33

• Prussia (Germany). Landesaufnahme. Kartogr. Abteilung [2]
• United States. Central Intelligence Agency [2]
• Deutsch Ostasiatisches Expeditions Korps. Feldtopograph [1]
• Ladyzhenskii, Tikhon [1]
• Li, Mingzhi [1]
• Great Britain. War Office [1]
• Beiping Wen Ya She [1]
• An, Xiansheng [1]
• Leaddog Consulting (Firm) [1]
• Tokyo Atorasusha [1]
• France. Armee. Service Geographique [1]
• Anville, Jean Baptiste Bourguignon D [1]
• Richthofen, Ferdinand [1]
• Su, Jiarong [1]
• Beijing Wen Ya She [1]
• Sakawa, Kagenobu [1]
• Zheng, Qiying [1]