@ANEA said
"Thanks for the recommendations. This looks like mainly the practices from Liber E and O, but that confirms my question. "
Liber O and Liber E contain the "bulk" of the practices from the first few grades. Any and all experimentation/practice of these will be good for you. So yes, buy your journal and hop to it
@ANEA said
"As it has been suggested in some of these posts, it certainly wouldn’t hurt to experiment. Crowley even encourages it."
The method of science, tha aim of religion. Quote on the Equinox. The study of magick is definitely a science (and some art mixed in there too) and experimentation is critical to science.