I would recommend this compilation film to anyone interested in the history of pornography in America, but I would NOT recommend to anyone looking to see a porn film for the purposes of getting turned on. This is mostly a collection of "stag loops" going all the way back to the silent era and including the oddly-titled "Grass Sandwich", which is believed to be the oldest hardcore porn loop still in existence.
The most notorious of these loops though is the one from the 1950's titled (again, for some unclear reason) "The Smart Aleck", which features legendary Texas stripper "Candy Barr". Barr later claimed this was shot when, as a naive 17 year old, she was lured to a motel room and raped at gunpoint. Actually though, Barr neither looks anywhere close to seventeen here, nor like she was being raped. She does clearly refuse to perform oral sex on her partner (something rather unusual in porno as far as I know), but in the next scene she is shown calling a "friend" on the phone, who shows up and does the dirty deed. All this suggests to me, that Barr's was doing "a Linda Lovelace" (i.e. a lying to cover up something she was ashamed of), at least to some extent. Still, who knows? It's definitely strange in any case.
The film comes up to the present day (as of 1970) and some of the director's own work. These scenes are both unappetizing and excruciatingly boring. The hairiest moment (in more ways than one) involves a skanky 70's-era "actress" pleasuring herself in a scene that seemingly goes on forever. (Thank god for the soft focus or you might actually be able to see the crabs). All in all, this is rather dubious viewing. If you're looking for eroticism, you're better off going with one of those cable specials hosted by recent porn sensation Katie Morgan (as kind of a naked professor),which show a lot of the same basic footage (minus the Barr loop), but leave out the skankier "modern" stuff. Still as a purely historical curiosity this is kind of interesting. (This film itself was one of the first "mainstream" porn films back when it was first released).