With regard to these books, here's a link to "Burlyuk in America"
http://www.mdk-arbat.ru/bookcard_all...book_id=616033, respect gnigi Catherine Draer, everything is more complicated, it was published in 1944, a small circulation, but well actually, I very often go to the site of antiquarian books and manuscripts
http://www.rarebook.ru/index.htm, you can request them to leave, perhaps you are lucky enough to buy it for more or less affordable .