Secondary Sources are very usefull to understand the general principles of a topic in a relatively quick manner. In addition it will also provide you with other sources and cases that are helpful.
16B Fla. Jur 2d Criminal Law—Substantive Principles/Offenses § 1362
This annotation collects the cases which consider whether LSD,1 DMT,2 or other chemically synthesized3 hallucinogenic or psychedelic4 drugs5 may be considered or classified, or properly have been classified, as a "narcotic" or "narcotic drug" for the purposes of a drug prosecution. Cases in which the issue is whether the particular drug involved is a drug "similar to LSD," or the like, within the meaning of a statute proscribing the use, possession, manufacture, or sale of such drugs, are not included.
50 A.L.R.3d 1284 (Originally published in 1973)