Battle Detailed Paper of Japanese army No.1, company 66
Part of Battle Detailed Paper of Japanese army No.1, company 66 published the content of killing all of Chinese war captives.

Telegraph that HIROTA transmitted to counselor Beiping Sendao
Japanese Foreign Affairs Minister HIROTA informed counselor Beiping Sendao that Reuters and The Times reported messages that Japanese invaders raped or seduced, fired and killed and robbed in Nanjing.

NAKASHIMA's Dairy wrote: "on December13, most of the defeated enemies entered into the woods and village where the sixteenth division and corps campaigned. On the other hand, there were captives escaped from Zhenjiang garrison, everywhere was captives, the amount is so big that hard to cope with. On the whole, we didn't carry out captive policy and decided to adopt annihilation policy… After the massacre, just SASAKI army killed over fifteen thousand captives; a captain defended Taipingmen killed 1300 captives."

"The Eighth Order of Army" definitely ordered to attack Nanjing
On December 1 1937, Japanese supreme headquarters issued "The Eighth Order of Army", which definitely ordered to invade Nanjing.

Wartime diary of Japanese invading soldier Dongshilang
Wartime diary kept by Dongshilang, a soldier of the sixteenth division corps of Japanese invading troops.