Directives From the Guardian
Page 63
 

169: PROMINENT FIGURES (Letters to Government Heads)
 
1

"The Guardian feels that any communications addressed to international figures of this nature, particularly in connection with political proposals of any one group, should not be written unless approved by him. He feels matters of this type so important that he does not wish such communications sent without his prior consideration and approval. It may lead to quite difficult and embarrassing situations, especially when the letters are made public..."