Below is the order of battle for the Battle of Beiping-Tianjin, called the Peiking-Tientsin Operation in pinyin spelling, a series of battles fought from 25 July through 31 July 1937 as part of the Second Sino-Japanese War. It was called the North China Incident (北支事変, Hokushi jihen) by the Japanese.
Japanese China Garrison Army [1]
Lieut. General Kanichiro Tashiro (1 May 1936 – 12 July 1937[2])
Lieut. General Kiyoshi Katsuki (12 July 1937 – 26 August 1937)
China Garrison Infantry "Kawabe" Brigade
Major General Masakazu Kawabe
1st China Garrison Infantry Regiment
2nd China Garrison Infantry Regiment
China Garrison Cavalry Unit
China Garrison Artillery Regiment
China Garrison Engineer Unit
China Garrison Armored Unit (17 tanks?)
China Garrison Signal Unit
China Garrison Army Hospital
General Seishirō Itagaki
9th Infantry Brigade
11th Infantry Regiment
41st Infantry Regiment
21st Infantry Brigade
21st Infantry Regiment
42nd Infantry Regiment
5th Mountain Artillery Regiment
5th Cavalry Regiment
5th Engineer Regiment
5th Transport Regiment
Lieutenant General Bunsaburo Kawakishi
39th Infantry Brigade
77th Infantry Regiment
78th Infantry Regiment
40th Infantry Brigade
79th Infantry Regiment
80th Infantry Regiment
26th Field Artillery Regiment
28th Cavalry Regiment
20th Engineer Regiment
20th Transport Regiment
1st Independent Mixed "Sakai" Brigade
Lieutenant General Sakai Koji[3]
4th Tank Battalion
12 Type 94 tankettes
4 Armored Engineer Vehicles
1st Independent Infantry Regiment
1st Independent Artillery Battalion
1st Independent Engineer Company
11th Independent Mixed "Suzuki" Brigade
Lieutenant General Shigiyasu Suzuki[4]
11th Independent Infantry Regiment
12th Independent Infantry Regiment
11th Independent Cavalry Company
11th Independent Field Artillery Regiment
12th Independent Mountain Gun Regiment
11th Independent Engineer Company
11th Independent Transport Company
1st Corps (Tungchow) 4,000 men
2nd Corps (Tsunhua) 4,000 men
3rd Corps (Tungchow) 4,000 men
4th Corps (Tsunhua) 4,000 men
Training Corps (Tungchow) 2,000 men
Temporary China Area Aviation Division (Chugoku-Homen Rinji Hikoshidan)
General Yoshitoshi Tokugawa[6]
1st Army Air Battalion (reconnaissance) Ki-3, Ki-4
2nd Army Air Battalion (fighter aircraft) Ki-10
3rd Army Air Battalion (long range reconnaissance)
5th Army Air Battalion (light bomber) Ki-2
6th Army Air Battalion (heavy bomber) Ki-2
8th Army Air Battalion (fighter) Ki-10
9th Army Air Battalion (heavy bomber) Ki-1
3rd Independent Air Company (heavy bomber)Ki-1
4th independent squadron (reconnaissance)
6th independent squadron (reconnaissance)
9th independent squadron (fighter) Ki-10
1st, 2nd Airfield companies
8th, 9th Signal platoons
1st Truck Transport company
3rd Field aircraft depot
Admiral Zengo Yoshida
Commander: Song Zheyuan[10]
Deputy: Tong Linge
37th Division of Hopei (15,750 men)
Lt. Gen. Feng Chian
Special Operations Regiment [11]
109th Brigade
110th Brigade
111th Brigade
Independent 35th Brigade
38th Division of Shansi (15,400 men)
General Zhang Zizhong
Special Operations Regiment
112th Brigade
113th Brigade
114th Brigade
Independent 26th Brigade
132nd Division of Shansi (15,000 men)
General Zhao Dengyu
Special Operations Regiment
1st Brigade
2nd Brigade
Independent 27th Brigade
Independent 28th Brigade
143rd Division of Hopei (in Chahar) (15,100 men)
General Liu Ruming
Special Operations Regiment
1st Brigade
2nd Brigade
Independent 29th Brigade
Independent 31st Brigade
Security Brigade
9th Cavalry Division of Northwest Army (3,000 men)
1st Brigade
2nd Brigade
Independent 13th Cavalry Brigade (1,500 men)
Hebei Peace Preservation Force (Peiwan, 2,500 men)
Independent 39th Brigade (3,500 men)
Independent 40th Brigade (3,400 men)
53rd Army