Buck has always had a strong connection
Primary because it is the original direct source, it isn't a writing, or a biography, it isn't coming from a second source.
Well it all depends on what you're writing about. When you write your rough draft think about the feeling it gives when reading it over. Then if it feels right, give it a go. This might not help much but think about how you feel while reading it.
The safest way of transmitting message
S was by telegram