I don't mean to patronize but do you anything of Frank Zaic? Briefly put in the 30's and 40's Frank made what was basically a one man effort to formalize model aeronautics into a science.
Frank memorialized his efforts into a series of year books and an occasional publication focusing on some aspect of this budding science/hobby.
Most of Franks books remain available today.. If you are interested try to obtain copies of those written in the 30's. They present a fascinating portrait of the times (late depression) and the dreams of youth.
I knew Frank personally and in the last 10 years or so I have published a good deal about him and his company JASCO on the various model aircraft forums. Run a GOOGLE you might find some of it of interest