Read as many of the Thom texts (I do not know the others) as you can, with the possible exception, for the moment, of volume V.
Ensure that you think about each concept sufficiently to understand it in basic physical and mathematical principles, and, in the case of Human Factors, physiological principles. Relate it to common sense, and, in the case of Air Law, to the basic tenet that the authorities wish to keep us all sufficiently far apart to avoid injury, and at the same to time, to expedite commercial traffic.
Nothing else should be necessary.