1893-1976
Eastern Europe
(372) documents
1893- 1976
1898- 1976
East Asia
1899-
-
1898- 1969
1886- 1976
March 4, 1952
Mao Zedong's comment on the preparation of vaccines for soldiers and civilians in the regions related to the supposed bacteriological warfare
February 28, 1952
May 14, 1952
Mao's comment on the report concerning plague in North Korea and encephalitis in Northeast China.
March 16, 1952
Mao orders several military districts in China to copy the organizational methods of the Chinese People’s Volunteers and carry out hygiene work.
Document Year: 1952