1928C. W. HarrisMiracle of Lily in Amazing Stories Apr. 55/2
Stentor would not appear, so disturbed was he by the sight of the Venusians, but in the morning, he talked to them by radio and explained the very natural antipathy we experienced in seeing them or in having them see us. Now they no longer urge us to construct ether[-]ships and go to help then dispose of their ‘insects.’ I think they are afraid of us, and their very fear has aroused in mankind an unholy desire to conquer them.
1929C. W. Harris & M. J. BreuerBaby on Neptune in Amazing Stories Dec. 792/1
They raised their vessel and cruised about, looking for cities, for intelligent beings, and finding nothing but slimy life, settled again.
1929C. W. Harris & M. J. BreuerBaby on Neptune in Amazing Stories Dec. 793/2
Noting that you have already made a successful trip to Venus, and not having ourselves as yet conquered the problems of space travel, we invite you to visit us on Neptune.