some indirect support, make you own judgement

1966年在中发［66］277号《中共中央文件》中说，杨尚昆同志“不顾中央多次关于禁止安设窃听器的决定，背着中央，私设窃听器，私录毛主席和中央常委同志讲话，盗窃党的机密”。

http://www.mps.gov.cn/n2254860/n2254883/n2254885/c3697011/content.html

1966年2月，中共中央、国务院中发（66）第119号文批准，建立开阳特区, ...

This is from .gov.cn. http://www.kygov.gov.cn/zjky/xzqh/201609/t20160914_1010150.html

These are from Chinese government. Try "中发（66）site:gov.cn" in google and baidu yourself.

Below is not directly from a Chinese government source. It is on google site and claim from 档案出版社, 

中发( 66 ) 301 号 ...

https://books.google.com/books?id=2RjTAAAAMAAJ&q=%E4%B8%AD%E5%8F%91%EF%BC%BB66%EF%BC%BD&dq=%E4%B8%AD%E5%8F%91%EF%BC%BB66%EF%BC%BD&hl=en&sa=X&ved=0ahUKEwixloL3msnhAhWltVkKHebCBdoQ6AEIZzAI

From less "credible' sites, you can see 中发（66）第268号 was issued in May 1966 too.

 

所有跟帖： 

• 按照楼主的断言，中央文件不可能一年上200号。完全与事实不符合。否定楼主说法的文件太多了。 -萧岚- ♂ (437 bytes) () 04/11/2019 postreply 17:33:12

• 想证明他有本事，能把黑的说成白的。可以指鹿为马。 -萧岚- ♂ (101 bytes) () 04/11/2019 postreply 19:31:28