The 7th part of the 8 part Colliers "Man will conquer space soon!" series has been put online in the July/August 2013 issue of IAAA Houston Newsletter "Horizons". This one covers the Collier’s magazine space articles from June 25, 1953,
The Baby Space Station: First step in the conquest of space
There are also a couple of reprints of illustrations published in this blog!
These are the best digital versions of these illustrations you will ever see. Be sure to check them out.