Very cool. Locklin is right below Lifshin in this sampling. Buk was clearly the king of the mimeo poets.
I wouldn't call mimeo printing extremely easy. You had to type up the master -- making corrections took extra work -- and the printing was iffy, with lots of bad copies that had to be tossed, creased pages, too light ink, or too dark blotchy ink. Photocopy publishing was truly easy, while mimeo was medium difficult. I bought a couple of used mimeo machines for about $10 each circa 1970. Neither worked correctly. I got some decent pages, but wasn't able to complete the book I was attempting to publish. A new machine would have been much easier, of course, but more expensive.